JBL Live Beam 4 vs Technics EAH-AZ100

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Live Beam 4 compared with EAH-AZ100
JBLLive Beam 4TechnicsEAH-AZ100
Overview
ReleasedMay 2026January 2025
Sound
TypeIn-earIn-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head tracking–Yes
Driver size10 mm10 mm
Impedance16 ohms–
Bluetooth codecsLDACSBC, AAC, LDAC and LC3
Drivers10 mm dynamic; 20 Hz–40 kHz frequency response and 98 dB SPL sensitivity at 1 kHz10 mm magnetic-fluid dynamic drivers with aluminium diaphragms
Noise cancelling detailTrue Adaptive Noise Cancelling 2.0, Smart Ambient, TalkThru and Smart Talk speech detectionAdaptive hybrid ANC; Ambient and Attention modes; one-touch conversation mode
Audio featuresSpatial Sound, Personi-Fi 3.0 and app EQ; LDAC confirmed by TechRadar and Les Numériques; LE Audio and Auracast maker-confirmedDolby Atmos optimisation and Dolby Head Tracking; LDAC unavailable with three-device multipoint
Hearing healthPersonalised hearing profile through Personi-Fi 3.0–
Battery
Listening time (maker's claim)Up to 10 hoursUp to 10 hours
With the caseUp to 48 hoursUp to 28 hours
Wireless chargingYesYes
Battery life detailUp to 12 hours with ANC off, ten with standard ANC or eight with True Adaptive ANC; advertised 48 hours including the case is with ANC off. Each bud has a 65 mAh, 3.85 V battery; two-hour charging; calls up to 6.5 hours without ANC or six with itAAC, ANC on 10 hours / 28 with case, off 12 / 29; LDAC, ANC on 7 / 18, off 8 / 19
Charging caseTouchscreen Smart Charging Case; 680 mAh, 3.8 V battery; USB-C and Qi charging; up to 36 additional hours with ANC offUSB-C or Qi; earbuds charge in approximately 2 hours, case in 2.5 hours over USB or 3.5 over Qi
Fast chargingTen minutes supplies up to four hours; current UK hours label denotes listening rather than charging duration15 minutes gives approximately 90 minutes of playback
Design
Weight (each earbud)4.85 g (better)5.9 g
Water and sweat resistanceIP55IPX4
Bluetooth6.05.3
Two devices at onceYesYes
ControlsCustomisable touch controls and touchscreen case controls for volume, tracks, sound modes and EQCustomisable touch controls; wear detection pauses and resumes playback
MicrophonesSix beamforming microphones across the pair; Perfect Calls 2.0 and call-effect settingsThree per earbud; Voice Focus AI processes outgoing and incoming call audio
Fit and ear tipsSealed stemmed in-ear fit with four sizes of eartipsFive silicone tip sizes, XS, S, M, ML and L
Case weight73 gApproximately 42 g
Water resistance detailIP55 earbuds; Les Numériques finds no published case IP ratingIPX4 applies to earbuds only
Works withTwo Bluetooth devices, Google Finder and Audio Switch; LE Audio unicast and Auracast via the JBL Headphones appTechnics Audio Connect for iOS and Android; Google Fast Pair, LE Audio and Auracast
ColoursBlack, Blue, Green, Silver, Orange, Purple and SandBlack, Silver, Champagne Gold, Midnight Blue and Moonlight Lilac
In the boxEarbuds, charging case, four tip sizes, warranty and quick-start guide; no charging cable. Maker May 2026 rollout corroborated by Les Numériques' actual May availability. Current UK RRP £149.99 differs from the £179.99 launch priceEarbuds, charging case, five sizes of ear tip and 0.2 m USB-C charging cable

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