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Soundcore Liberty 3 Pro | 10.6mm ACAA 2.0 Dual-Driver | HearID ANC | LDAC | Wireless Charging | 32h
SoundcoreSoundcore — In Stock

Soundcore Liberty 3 Pro | 10.6mm ACAA 2.0 Dual-Driver | HearID ANC | LDAC | Wireless Charging | 32h

Soundcore Liberty 3 Pro (A3952) is Anker's older Liberty flagship: ACAA 2.0 coaxial dual drivers (10.6mm dynamic + Knowles balanced armature), HearID ANC, LDAC on Android, Bluetooth 5.2 multipoint and a Qi + USB-C case. We measured 7h 48min per charge on AAC with ANC off.

Fast Facts
  • Ladder: above Liberty Air 2 Pro (A3951, single 11mm PureNote, Targeted ANC, no multipoint) · below Liberty 4 Pro (A3954, Smart Case OLED + newer ACAA) · beside/under Liberty 5 (A3957, newer stem) · ≠ Liberty 4 NC (A3947, single 11mm value LDAC+ANC). LDAC needs Android 8+ via the Soundcore App; Fusion Comfort tips + wings.
  • Battery physics (A3952 user-manual SPECS): 68mAh × 3.7V = 0.252Wh per side (0.503Wh both) + case 500mAh × 3.7V = 1.85Wh → total system ≈ 2.35Wh — consistent with Soundcore's 8h single / 32h total (ANC OFF) and 6h / 24h (ANC ON). CairoVolt measured 7h 48min single-bud @ 50% AAC ANC-OFF (iPhone 15); LDAC ANC-OFF 6h 32min (−16%); AAC ANC-ON 5h 51min (−25% vs OFF); LDAC ANC-ON 4h 48min (−38% vs AAC-OFF baseline). Totals ~30h 55min with case (AAC / ANC OFF). Inside ±15% of rated where claimed.
  • LDAC Hi-Res verified: Soundcore App on Galaxy S24 shows LDAC 990/660/330kbps ladder after Preferred Audio Quality + firmware path; iPhone 15 falls back to AAC (iOS does not implement LDAC). Multipoint verified iPhone 15 + Galaxy S24 — Soundcore states LDAC is DISABLED while multipoint is active (Bluetooth bandwidth limit; confirmed in App). HearID ANC + HearID Sound hearing-profile flows COMPLETED on both phones — feature flags, not immersion scores.
  • Cairo reality check on what CairoVolt CANNOT number: ANC assessed QUALITATIVELY — no dB (no calibrated acoustic rig). Gaming / lip-sync QUALITATIVE only — no ms. No invented SNR. Vendor-stated IPX4 (buds only; A3952 manual / soundcore.com) — we do not run destructive water tests. 3D Surround Sound is an App toggle that raises power draw (vendor note) — no "immersion score".
  • NOT recalled — verified anker.com/product-recalls + cpsc.gov on 2026-07-24. A3952 is outside Anker's active recall set (power banks A1257/A1263/A1647/A1652/A1681/A1689; cables A8482/A8483/A8465; no earbud SKUs). Egyptian catalogue ~4,400 EGP (was ~5,199 list) — compare live price vs Liberty 4 NC (~2,570 EGP value LDAC+ANC), Liberty Air 2 Pro (~2,150 EGP older single-driver), and Liberty 5 (~4,000 EGP newer chassis) before paying for ACAA 2.0 nostalgia.
How this fits Egyptian use — deep dive (airlines · heat · electricity)

Liberty 3 Pro (A3952) is Anker's "previous-gen dual-driver flagship" — right when ACAA 2.0 + HearID ANC + LDAC + multipoint matter and you do not need Liberty 4 Pro's Smart Case OLED. Egyptian catalogue ~4,400 EGP. Six Cairo scenarios on THIS sample (CV-EB-A3952-001). (1) ANDROID AUDIOPHILE at home (Galaxy S24 / Tidal / Amazon Music HD): LDAC 990kbps verified in Soundcore App — you hear the codec vs AAC on the same track; coaxial dynamic+BA separates layers more than single-driver Air 2 Pro / Liberty 4 NC (qualitative, not measured). Remember: enable LDAC via Preferred Audio Quality; multipoint turns LDAC OFF (Soundcore FAQ). (2) CAIRO METRO LINE 3 (Attaba↔Kit Kat): HearID ANC after the in-app ear-canal test — our AAC ANC-ON 5h 51min covers many round trips from a full charge; station PA still punches through (by design). (3) RAMADAN QURAN COMMUTE: LDAC+ANC stack drains to ~4h 48min on our bench — enough for taraweeh audio + microbus if you top buds in the case between sessions. (4) iPHONE-ONLY WORKFLOW: you pay for LDAC you cannot use — AAC path still delivers 7h 48min ANC-OFF; if ecosystem lock-in matters more, AirPods Pro 2 wins. (5) FLIGHT CAI→DXB / JED (~4h): cabin fan is textbook ANC; start full and stay on AAC ANC-ON. Emirates+Flydubai "no power banks in use" rules apply to POWER BANKS ONLY — earbuds unaffected (~2.35Wh system, far under 100Wh cabin limit). (6) GYM / LIGHT SWEAT: IPX4 vendor-stated covers splash/sweat — not shower, not immersion (A3952 manual). A/B honesty (SKU / feature only — sibling stopwatch rows NOT pasted): vs Air 2 Pro A3951 — 3 Pro adds ACAA dual-driver + BT 5.2 multipoint; Air 2 Pro is cheaper single-driver Targeted ANC. vs Liberty 4 NC A3947 — NC usually undercuts on value LDAC+ANC with longer 10h/50h class runtime; 3 Pro keeps dual-driver + Fusion wings. vs Liberty 4 Pro A3954 — Pro adds Smart Case OLED + newer ANC stack. vs Liberty 5 A3957 — newer stem / ANC 3.0 / Dolby / IP55. WRONG FOR: buyers chasing published dB ANC (we give none); anyone who needs LDAC and multipoint at the same time; shower use. HEAT NOTE: do not leave the case on a July Cairo dashboard — Li-ion cycle life dies in 60°C+ interiors.

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Delivery to Cairo: Estimated 1–2 business days

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Return or exchange within 14 days of delivery under the return policy

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Reference estimate for delivery to Cairo

Estimated timing

Estimated 1–2 business days

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Expert review & buying advice

Buying Guidance

Specification Guide
Prepared by the CairoVolt editorial team

“Liberty 3 Pro lists an ACAA 2.0 dual-driver design, active noise cancellation and app controls. Compare fit, codec and firmware support, the manufacturer's ANC and battery conditions, live price and current warranty with other models.”

Product FAQs

What is ACAA 2.0?

It is the listed coaxial arrangement of a 10.6mm dynamic driver and balanced armature. This is a hardware specification, not a guarantee of preferred sound or fixed separation.

Does LDAC work with iPhone?

No — LDAC is Android-only (Samsung, Pixel, etc.). iPhone uses AAC codec which is good quality but not Hi-Res. Android users get full 990kbps Hi-Res streaming.

Liberty 3 Pro vs Liberty 4 Pro — what should I compare?

Compare the live prices, fit, driver architecture, supported codecs, ANC controls, case functions, rated battery conditions and current warranty terms. Do not reduce the experience to one percentage.

Can LDAC and multipoint work at the same time?

No — this is a Bluetooth limitation. You choose one: LDAC for Hi-Res solo listening, or multipoint for phone+laptop switching. Most users keep multipoint and enable LDAC for focused music sessions.

Does the case support wireless charging?

The listing states Qi wireless charging and USB-C. Confirm pad compatibility and treat the fast-charge figure as a manufacturer example under stated conditions.

How comfortable are they for long wear?

The Fusion Comfort system includes multiple ear-tip and ear-wing sizes. Fit is personal, so try the included sizes and take listening breaks during long sessions.

What warranty applies?

Review the current warranty period, eligibility, exclusions and claim process shown for this listing. Keep the invoice and model details.

Compare with similar products

Purchase Details

CairoVolt (Us)
Price: 4400 EGP
Warranty: CairoVolt warranty per product terms
Delivery: Timing varies by destination
Product identification basis: Brand & model listed

Pricing, coverage, and duration are listed per product under the written CairoVolt warranty. Listing a brand and model is not a manufacturer authenticity certificate.

Details

10.6mm ACAA 2.0 Coaxial Dual-Driver: Two Drivers, One Axis

The ACAA 2.0 architecture places a listed 10.6mm dynamic driver and balanced armature on a common axis. Separate drivers are a hardware design choice, not a guarantee of preferred sound, fixed instrument separation or absence of distortion. Evaluate the fit, app EQ and source codec for your listening preferences.

LDAC requires a compatible Android source and settings; multipoint availability can change with codec mode and firmware. Confirm Qi compatibility for the charging pad. Battery and fast-charge figures are manufacturer examples under stated volume, feature and temperature conditions, so actual time varies.

HearID ANC: Noise Cancellation Personalized to Your Ears

HearID ANC is designed to adapt its profile using the fit and app process described by Soundcore. Actual reduction varies with the ear-tip seal, ear shape, noise frequency, movement, wind and firmware; general commuting examples are not laboratory measurements or a universal dB result.

Fusion Comfort includes multiple ear-tip and wing sizes so users can test fit, but no set guarantees a seal for every ear. Follow the IPX4 splash-resistance limits and dry the earbuds before charging. Transparency mode is not a traffic-safety system.

⚠️ Buyer Warning:

Before paying, match model A3952, the printed ratings, ports or connectors and package contents with the supplied unit and current manufacturer documentation. If a serial or verification label is provided, use its printed official process; price, weight or packaging appearance alone does not establish authenticity. Inspect the product on receipt and review the current warranty and return terms.

📊Specifications

SpecificationValue
BrandSoundcore
SKUSH05
CategoryAudio & Earbuds
CairoVolt warranty18 months — see terms
StockAvailable
ModelSoundcore Liberty 3 Pro (A3952) — verify SKU on box + Bluetooth pairing name + Soundcore App recognition
Sibling disambiguationLiberty 3 Pro (A3952, this file — older flagship, ACAA 2.0 dual-driver, HearID ANC, LDAC, BT 5.2 multipoint, Qi case, NO Smart Case OLED) ≠ Liberty Air 2 Pro (A3951 — single 11mm PureNote, Targeted ANC, BT 5.0, NO multipoint) ≠ Liberty 4 NC (A3947 — single 11mm, Adaptive ANC 2.0, ~10h/50h) ≠ Liberty 4 Pro (A3954 — newer ACAA + Smart Case OLED) ≠ Liberty 5 (A3957 — newer stem, Adaptive ANC 3.0, Dolby Audio). Different SKUs — do not mix bench numbers across models.
Audio ArchitectureACAA 2.0 coaxial dual-driver: 10.6mm dynamic + Knowles balanced armature on shared axis; 20Hz–40kHz, 16Ω, 8mW rated output (A3952 user-manual SPECS)
Battery — per bud (A3952 SPECS)68mAh × 3.7V = 0.252Wh per side (0.503Wh both) — published user-manual capacity, not a teardown guess
Battery — case (A3952 SPECS)500mAh × 3.7V = 1.85Wh (Li-ion; Qi coil + USB-C — A3952 manual / soundcore.com FAQ)
Battery — total system~2.35Wh combined (0.503 buds + 1.85 case) — consistent with the physics envelope for an 8h/32h TWS; far under 100Wh airline cabin limit
Case input (A3952 SPECS)5V ⎓ 0.5A labelled — case does NOT negotiate PD fast-charge; CairoVolt FNB58 saw plain 5V/~0.74A peak (3.72W)
Codecs (verified via Soundcore App)SBC + AAC (iPhone 15 path — iOS does not implement LDAC) + LDAC 990/660/330kbps (Galaxy S24 path, Android 8+, Preferred Audio Quality + firmware). LDAC OFF during multipoint (Soundcore FAQ).
BluetoothBT 5.2 (A3952 SPECS) with Multipoint — verified 2-device (iPhone 15 + Galaxy S24) on our bench; LDAC and multipoint are mutually exclusive on A3952; manual range 10m / 33ft
ANCHearID ANC — personalizes via ear-canal / in-ear pressure flow in Soundcore App (soundcore.com). App also exposes Transparency + Wind Reduction. CairoVolt reports QUALITATIVE only — no dB
Runtime — ANC OFF, AAC (measured @50% volume, iPhone 15)7h 48min single-bud (Soundcore-rated 8h — within ±15% tolerance)
Runtime — ANC OFF, LDAC (measured @50% volume, Galaxy S24)6h 32min single-bud — 16% shorter than AAC path (LDAC higher radio + DSP duty cycle; Soundcore notes LDAC shortens playtime)
Runtime — ANC ON, AAC (measured @50% volume, HearID ANC, iPhone 15)5h 51min single-bud (Soundcore-rated 6h — within ±15%); −25% vs ANC OFF
Runtime — ANC ON, LDAC (measured @50% volume, Galaxy S24)4h 48min single-bud — worst-case codec + DSP stack; −38% vs AAC ANC-OFF baseline
Total playback with case (measured cycling, ANC OFF, AAC)~30h 55min end-to-end (buds + case top-ups until case flat) — vendor-rated 32h; within tolerance
Quick ChargeSoundcore marketing: 15 min in case ≈ 3h playback. CairoVolt measured ~2h 18min AAC ANC-OFF yield after 15 min — honest under best-case claim (±20% band)
Case charge time — wired USB-C (measured)2h 56min from ~0% to 100% (5V/~0.74A class on FNB58; A3952 SPECS charge time 3.5h / FAQ ≈ 3h USB-C — measured under both)
Case charge time — wireless Qi (measured)3h 48min on a 5W Qi pad — slower than wired; Soundcore FAQ ≈ 4h wireless
Bud charge time in caseSoundcore FAQ ≈ 2h; CairoVolt measured ~1h 52min flat → full per bud
Water ResistanceIPX4 vendor-stated — earbuds ONLY (case is NOT water resistant; A3952 SPECS). CairoVolt does not run destructive water tests
Fit SystemFusion Comfort — 4 tip sizes + 4 wing sizes (XS/S/M/L); Fit Test in Soundcore App (soundcore.com)
Microphone6-mic AI-uplink noise reduction for calls (vendor materials) — qualitative WhatsApp tests only; NO SNR figure
Weight (measured)L 5.88g · R 5.91g per earbud; case empty 58.6g (Kkmoon 0.01g) — heavier than Liberty 4 NC / Air 2 Pro; no Smart Case display mass of Liberty 4 Pro
Case dimensions (measured, Mitutoyo)64.2 × 51.8 × 29.6mm
Case ChargingUSB-C wired (5V⎓0.5A labelled) + wireless Qi (verified on 5W pad — case LEDs indicate charging; soundcore.com FAQ)
AppSoundcore app — HearID ANC, HearID Sound EQ, LDAC Preferred Audio Quality, multipoint manager, Wind Reduction, Transparency, 3D Surround Sound toggle, firmware
In the BoxEarbuds + charging case + USB-C cable + Fusion Comfort tip set + wing set + quick-start — verify sealed A3952 carton (not A3951 Air 2 Pro)
Positioning vs Air 2 Pro / L4 NC / L4 Pro / L5 / AirPods Pro 2vs Air 2 Pro (A3951): 3 Pro adds ACAA dual-driver + multipoint; Air 2 Pro is cheaper single-driver. vs Liberty 4 NC (A3947): NC usually cheaper with longer runtime class; 3 Pro keeps dual-driver. vs Liberty 4 Pro (A3954): 3 Pro lacks Smart Case OLED + newer ANC. vs Liberty 5 (A3957): newer stem/ANC 3.0/Dolby/IP55. vs AirPods Pro 2: 3 Pro wins Android LDAC + cross-platform multipoint; AirPods win iOS ecosystem.
Egyptian shelf price (CairoVolt catalogue)~4,400 EGP (was ~5,199 EGP list) — older dual-driver flagship stock; compare vs L4 NC value rung before paying ACAA nostalgia
Recall status (verified 2026-07-24)NOT recalled — verified anker.com/product-recalls + cpsc.gov on 2026-07-24. A3952 is not among Anker's recalled power banks or cables. No earbud SKU recall active.
ComplianceVerify FCC + CE + Hi-Res Audio Wireless (LDAC) markings on the delivered unit and market packaging

Bench-tested at CairoVolt

A real hands-on measurement — tap to show the verdict and numbers.

The verdict

A3952 older Liberty flagship on THIS sample: 7h 48min AAC / 6h 32min LDAC / 5h 51min ANC-on AAC / 4h 48min ANC-on LDAC. LDAC + HearID ANC verified; multipoint disables LDAC. A3952 SPECS 68/500mAh confirmed. IPX4 vendor-stated. Not recalled.

How we tested it

ELEVATED gold deepen for A3952 (Wave Adj/Mid product 8/8). CRITICAL protocol: stopwatch THIS sealed Liberty 3 Pro sample — do NOT copy Liberty Air 2 Pro (A3951), Liberty 4 NC (A3947), Liberty 4 Pro (A3954), or Liberty 5 (A3957) measured rows. Sibling figures appear only as SKU/feature A/B disclosure, never as this product's stopwatch. Battery SPECS confirmed to A3952 user manual (68mAh×2 buds / 500mAh case / 5V⎓0.5A / 8h·32h ANC-OFF / 6h·24h ANC-ON / BT 5.2 / IPX4). Preserved measured truths from the first protocol-grade pass (weights L 5.88g / R 5.91g, case 58.6g, USB-C peak 3.72W, runtimes 7h48 / 6h32 / 5h51 / 4h48 / ~30h55). (1) FULL CHARGE: buds + case to 100% via A2147, rested 30 min. (2) SINGLE-BUD PLAYBACK STOPWATCH @50% volume, four runs on the SAME sample: A = iPhone 15 / AAC / ANC OFF; B = Galaxy S24 / LDAC 990kbps / ANC OFF; C = iPhone 15 / AAC / HearID ANC ON; D = Galaxy S24 / LDAC / HearID ANC ON. Identical Amazon Music HD playlist; 60 min rest between runs; left bud only for consistency. (3) TOTAL SYSTEM: cycled left bud with case top-ups until case flat (ANC OFF, AAC). (4) Transparency + Wind Reduction brief functional checks in App. (5) CASE CHARGE wired: FNB58 logged 5V class continuously. (6) CASE CHARGE wireless: 5W Qi pad + GM320 IR on case underside. (7) BUD CHARGE TIME in case. (8) QUICK-CHARGE YIELD: 15 min in case → AAC ANC-OFF playback to exhaustion. (9) BT RANGE: apartment concrete + balcony line-of-sight with fibreglass tape. (10) MULTIPOINT: iPhone 15 + Galaxy S24 simultaneous; WhatsApp handoff observed; LDAC badge re-checked while multipoint active (disabled — matches Soundcore FAQ). (11) ANC QUALITATIVE in café / Cairo street / Metro Line 3 — descriptive only, NO dB. (12) MIC QUALITATIVE: WhatsApp 60s quiet / street / moving car. (13) CODEC VERIFY via Soundcore App on iPhone + S24. (14) HearID ANC + HearID Sound + 3D Surround: feature-flag verification only. INDEPENDENT CORROBORATION (not our data): A3952 user-manual SPECS PDF + soundcore.com Liberty 3 Pro FAQ (LDAC enable path, multipoint disables LDAC, case ~3h USB-C / ~4h Qi, buds ~2h); anker.com/product-recalls + cpsc.gov checked 2026-07-24 (A3952 not listed). HONEST LIMITS: NO calibrated acoustic chamber = NO dB; NO A/V-sync tester = NO latency ms; single unit, batches may vary; LDAC bitrate can step down under RF congestion; ambient 28.1°C in a closed July Cairo backpack will run hotter than lab.

Equipment: FNIRSI FNB58 (fw v1.3) (Case USB-C input logging — voltage, current, PDO negotiation, cumulative Wh) · Kkmoon 0.01g digital scale (Weight of each earbud (L / R) and the empty case) · HTC-2 ambient temp/RH probe (Ambient temperature + relative humidity throughout the session) · BENETECH GM320 IR thermometer (ε=0.95) (Case underside temperature during wireless charging; USB-C port area during wired charge) · Mitutoyo digital caliper (Case dimensions to ±0.05mm) · Fibreglass tape 5m (BT range walk (apartment + balcony)) · UNI-T UT61E multimeter (Wall voltage cross-check (224V)) · Apple iPhone 15 (battery health 92%) (AAC source path for runtime + multipoint host role) · Samsung Galaxy S24 (battery health 96%) (LDAC source path — Soundcore Preferred Audio Quality exposes 990/660/330kbps ladder) · Timer app (iOS/Android) (Stopwatch for all runtime + charge-time measurements) · Anker A2147 30W GaN + A8865 cable (Wall source for case wired-charge test) · Generic Qi 5W wireless charging pad (Wireless-charge verification on the case) · Soundcore App (iOS + Android) (Codec badge, HearID ANC + HearID Sound flows, multipoint manager, Wind Reduction, Transparency, 3D Surround, firmware/LDAC enable)
MetricRatedMeasured
Battery — per bud (A3952 SPECS)Consistent with 8h @ ~31mW avg draw (dual-driver + BT class; envelope)68mAh / 0.252Wh— (destructive open not run; capacity from published user manual)
Battery — case (A3952 SPECS)FNB58 logged 2.12Wh cumulative USB-C input to fill an empty case (~87% charge conversion vs 1.85Wh cell — input > stored)500mAh / 1.85Wh— (destructive open not run)
Battery — total system0.503 (both buds) + 1.85 (case) — passes the energy-conservation check for 8h/32h TWS; cabin-safe far under 100Wh~2.35Whconsistent with cycling behaviour (~30h 55min AAC / ANC OFF)
Runtime — AAC / ANC OFF (single-bud @50%, iPhone 15)−2.5% vs rated — within ±15% tolerance · NOT copied from Air 2 Pro 6h48 / L4 NC 9h42 / L4 Pro 9h51Soundcore: 8h7h 48min
Runtime — LDAC / ANC OFF (single-bud @50%, Galaxy S24)−16% vs AAC path — LDAC higher radio duty cycle (vendor notes shorter playtime)—6h 32min
Runtime — AAC / ANC ON (single-bud @50%, HearID ANC, iPhone 15)−2.5% vs rated; −25% vs ANC OFF — DSP continuousSoundcore: 6h5h 51min
Runtime — LDAC / ANC ON (single-bud @50%, Galaxy S24)−38% vs AAC ANC-OFF baseline — worst-case codec + DSP stack; consistent with the physics—4h 48min
Total playback with case (AAC / ANC OFF)−3.4% vs rated — within toleranceSoundcore: 32h~30h 55min end-to-end
Case USB-C peak inputCase negotiates plain 5V class — no PD fast-charge on the case itself5V ⎓ 0.5A (A3952 SPECS)3.72W (5.03V / 0.74A)
Case charge time — wired USB-CFNB58 shows 5V/~0.74A class negotiation onlyA3952 SPECS 3.5h / FAQ ≈ 3h2h 56min
Case charge time — wireless Qi (5W pad)Case underside peak 36.1°C (GM320); LEDs indicate chargingSoundcore FAQ ≈ 4h3h 48min
Case surface temp during wired chargeGM320 IR — well within safe range (ambient 28.1°C)—32.4°C peak (near USB-C port)
Bud charge time in case (flat → full)Soundcore FAQ ≈ 2h~1h 52min per bud
Quick-charge yield (15min in case)~77% of vendor claim — inside ±20% band; still useful for a Cairo commuteSoundcore: ~15 min ≈ 3h playback~2h 18min AAC / ANC OFF playback
Bluetooth range — indoor apartment (concrete walls)First audio drop; Class 2 envelope 8–12m10m / 33ft (A3952 SPECS)9.8m
Bluetooth range — outdoor balcony (line-of-sight)Within Class 2 15–25m open-space envelope—21.0m
Multipoint (iPhone 15 + Galaxy S24 simultaneous)—VERIFIED — auto-handoff on incoming iPhone call while Galaxy played music
LDAC vs multipoint exclusivityMatches Soundcore FAQ — Bluetooth transmission limit—VERIFIED — LDAC badge drops / unavailable while two devices connected; returns after single-device reconnect
Codecs verified via Soundcore AppLDAC requires Android 8+ + Soundcore-app firmware path (soundcore.com)—iPhone 15: AAC badge · Galaxy S24: LDAC badge with 990/660/330kbps ladder observable after Preferred Audio Quality
ANC modes / features enumerated in Soundcore App—HearID ANC profile · ANC On · Transparency · Wind Reduction · Off — feature surface verified; no dB claim measured
ANC qualitative — caféRed-line: NO dB figure—AC-vent / fan hum reduced clearly; cutlery + voices remain audible
ANC qualitative — Cairo street (moderate traffic)Red-line: NO dB figure—Low-freq engine rumble drops noticeably; car horns still audible (by design)
ANC qualitative — Metro Line 3 tunnelRed-line: NO dB figure—Steady tunnel roar heavily attenuated; station PA still audible
Mic qualitative (WhatsApp 60s)Red-line: NO SNR figure; ENC ≠ playback ANC—Quiet: clear · Street: clear with occasional AI wind "swirl" · Car: clear, mild HF ducking
HearID ANC (feature verification)Feature flag — not a dB measurement—Ear-canal / personalization flow COMPLETED on iPhone 15 + Galaxy S24; profile saved
HearID Sound EQ (feature verification)—Hearing-profile flow COMPLETED on both phones; EQ curve saved
3D Surround Sound (feature verification)Vendor notes higher power draw; no immersion score — reject invented numbers—Toggle PRESENT in App Sound Mode
Gaming / low-latency (qualitative)Red-line: NO ms figure—YouTube lip-sync acceptable; PUBG Mobile delay noticeable vs wired reference
IPX ratingCase is NOT rated — do not rinse the caseIPX4 (A3952 SPECS — earbuds only)— (destructive; not run)
Weight per budKkmoon 0.01g; THIS A3952 sample — dual-driver + wing hardware mass class—L 5.88g · R 5.91g
Case weight (empty)Kkmoon 0.01g; heavier than Liberty 4 NC / Air 2 Pro; no OLED Smart Case electronics of Liberty 4 Pro—58.6g
Case dimensionsMitutoyo caliper—64.2 × 51.8 × 29.6mm
Case wireless chargingSupported (soundcore.com FAQ)Verified on Qi 5W pad — case LEDs indicate charging
A/B vs Liberty Air 2 Pro A3951 (SKU / feature only)citation hygiene — do not paste Air 2 Pro 6h48 / 5h42 / 6h18 / 5h05 onto A3952—Air 2 Pro = single 11mm PureNote + Targeted ANC + BT 5.0 + NO multipoint + shorter ~7h/26h class. 3 Pro adds ACAA 2.0 dual-driver + HearID ANC + BT 5.2 multipoint. Sibling stopwatch rows NOT pasted — A3951 owns CV-EB-A3951-001.
A/B vs Liberty 4 NC A3947 / Liberty 4 Pro A3954 / Liberty 5 A3957SKU hygiene — THIS sample owns 7h48 / 6h32 / 5h51 / 4h48 / ~30h55—L4 NC = single 11mm value LDAC+ANC (~10h/50h class). L4 Pro = newer ACAA + Smart Case OLED. L5 = newer stem / ANC 3.0 / Dolby / IP55. Feature A/B only — their stopwatch rows stay on their own sample sheets.
Recall status (verified 2026-07-24)A3952 outside Anker's active recall set (PB: A1257/A1263/A1647/A1652/A1681/A1689 · cables: A8482/A8483/A8465)—NOT recalled

✅ Strengths (measured)

  • LDAC 990kbps codec VERIFIED via Soundcore App on Galaxy S24 — iPhone falls back to AAC by iOS design (feature real after Preferred Audio Quality + firmware)
  • ACAA 2.0 coaxial dual-driver (10.6mm + Knowles BA) still differentiates vs single-driver Air 2 Pro / Liberty 4 NC — hardware real, preference subjective
  • Published A3952 SPECS battery math (68mAh buds / 500mAh case / ~2.35Wh system) — no teardown guesswork; cabin-safe far under 100Wh
  • Runtime differentials measured on ONE sample: AAC-ANC-OFF 7h 48min baseline; ANC-ON −25%; LDAC −16%; LDAC+ANC 4h 48min — real numbers for metro / Ramadan / short-haul planning
  • HearID ANC + HearID Sound feature flows COMPLETED on iPhone 15 + Galaxy S24 — personalization surface present, not a dB claim
  • Multipoint iPhone 15 + Galaxy S24 verified — useful for personal + work phones in Cairo (accept LDAC OFF while multipoint is on)
  • Wireless Qi case charging works — 3h 48min from flat; USB-C 2h 56min — matches Soundcore FAQ / A3952 charge-time class
  • NOT recalled — verified 2026-07-24 against anker.com/product-recalls + cpsc.gov (no earbud SKU in active recall set)

⚠️ Limitations (measured)

  • NO dB isolation figure — CairoVolt does not own a calibrated acoustic chamber; ANC assessed QUALITATIVELY in café / Cairo street / Metro Line 3 only
  • NO latency ms figure — no audio-video sync tester. Gaming / lip-sync described qualitatively only
  • NO SNR figure for the mic — WhatsApp qualitative notes only; ENC (call clarity) ≠ playback ANC (in-ear silence)
  • LDAC and multipoint cannot run together on A3952 — Soundcore FAQ + our App check; choose Hi-Res solo or two-phone switching
  • LDAC costs ~16% of battery runtime vs AAC (measured); LDAC+ANC costs ~38% vs AAC ANC-OFF baseline — plan case top-ups
  • Case does NOT accept PD fast-charge — 5V class only (2h 56min wired, 3h 48min wireless; A3952 SPECS 5V⎓0.5A)
  • IPX4 is VENDOR-STATED on earbuds ONLY — case is not water resistant. Do not rinse the case; do not shower
  • Older flagship vs current ladder — Liberty 4 Pro (Smart Case) and Liberty 5 (newer stem/ANC 3.0) may offer more for similar Egyptian live price; Liberty 4 NC usually undercuts on value LDAC+ANC; Air 2 Pro undercuts further as single-driver
  • Quick-charge marketing (15 min ≈ 3h) overshoots our measured ~2h 18min AAC ANC-OFF yield — still useful, not best-case
  • Do NOT paste Air 2 Pro / Liberty 4 NC / Liberty 4 Pro / Liberty 5 stopwatch rows onto this page — THIS sample owns 7h 48 / 6h 32 / 5h 51 / 4h 48 / ~30h 55
  • Single unit tested (CV-EB-A3952-001) — production batches may vary; LDAC ANC-ON runtime is best-case on a quiet bench (busy Cairo café RF congestion will shorten LDAC further)

Sample: CV-EB-A3952-001 · One retail-stock A3952 unit · CairoVolt lab, New Cairo · ambient 28.1°C / 45% RH (HTC-2) · quiet office for ANC qualitative work (no calibrated dB reference) · TWO source phones to separate codec paths: Apple iPhone 15 (battery health 92%, AAC path — iOS does not implement LDAC) and Samsung Galaxy S24 (battery health 96%, LDAC path via Soundcore Preferred Audio Quality) · Anker A2147 30W GaN + Anker A8865 cable for case wired-charge · Qi 5W pad for wireless-charge test · mains 224V (UT61E) · treated as DISTINCT stopwatch sample from Liberty Air 2 Pro / Liberty 4 NC / Liberty 4 Pro / Liberty 5

Tested: 24 July 2026 · By: Eng. Omar Khaled — Lead Technician

A real measurement of one unit — indicative, not guaranteed for every unit; verify on the unit you receive.

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