Technics EAH-A1000 / Sennheiser MOMENTUM True Wireless 4

Technics EAH-A1000: EAH-A1000-K · black (also in -S Platinum Greige)

Sennheiser MOMENTUM True Wireless 4: MOMENTUM True Wireless 4 (2024); Black Graphite 700365, White Silver 700366, Black Copper 700367 (Denim and Gold were added later). The over-ear MOMENTUM 4 Wireless and the in-ear MOMENTUM True Wireless 3/5 are separate models.

SpecificationTechnics EAH-A1000Sennheiser MOMENTUM True Wireless 4
Release year20262024
Announcement and saleAnnounced 30 September 2026; Japan sale planned for 19 November 2026

The manufacturer says the Japan date may slip because of social conditions or supply; monthly production is stated as 2,000 units.

Technics		—
Model codeEAH-A1000

Listed by Panasonic as wireless stereo headphones.

Technics		—
Colors-S Platinum Greige, -K Black

Model code suffixes; the image shows the black (-K) version.

Technics		—
TypeWireless over-ear stereo headphones TechnicsTrue wireless stereo in-ear earbuds; ear-canal fit with ear fins

The box includes four sets of ear tips (XS/S/M/L) and three sets of ear fins (S/M/L).

Sennheiser
Driver40 mm magnetic fluid driver; carbon fiber diaphragm

Technics also lists an SST edge and a flat baffle structure.

Technics		TrueResponse dynamic, 7 mm; 5 Hz–21 kHz; 107 dB SPL (1 kHz / 1 mW)

According to Sennheiser, audio resolution up to 24-bit/96 kHz is supported with a compatible source.

Sennheiser
Acoustic designSST (Symmetrical Surround Technology) edge; flat baffle structure

Technics says the SST edge comes from its SB-R1 flagship speaker.

Technics		—
Noise cancellingFull adaptive digital hybrid active noise cancelling

Adjusts automatically to surroundings and fit.

Technics		—
Call microphoneAI beamforming voice extraction

Technics says AI trained on human voices suppresses wind and background noise.

Technics		—
Bluetooth codecsSBC, AAC, LDAC, LC3

Band 2400-2483.5 MHz. LE Audio is supported; the Bluetooth version number is not given in the document.

Technics		—
MultipointSimultaneous connection to 3 devices; up to 10 paired devices

Multipoint does not work when the LE Audio setting is set to prefer LE Audio. Of the 10 registered devices, at most 4 can be LE Audio.

Technics		—
USB audioUncompressed digital audio over USB-C (USB audio)

Technics asks that the included USB cable be used.

Technics		—
Hi-res wirelessUp to 96 kHz/24 bit with LDAC Technics—
Spatial audioOptimized for Dolby Atmos; head tracking

Use requires settings in the Technics Audio Connect app and on the phone.

Technics		—
Playback (ANC on)About 45 hours (AAC or SBC); 40 hours (LDAC or LC3); 30 hours (wired)

The manufacturer says times can be shorter depending on use.

Technics		—
Playback (ANC off)About 90 hours (AAC or SBC); 80 hours (LDAC or LC3); 60 hours (wired) Technics—
Talk and standbyTalk time about 30 hours (ANC on); standby about 200 hours (ANC off, auto power-off off) Technics—
ChargingAbout 4 hours of playback from 15 minutes (ANC on, AAC); full charge about 3.5 hours (500 mA or higher source, 25 °C)

Battery capacity (mAh/Wh) is not given.

Technics		USB-C socket on the case (5 V, 1,000 mA max) and Qi wireless charging

A USB-C cable is in the box; there is no adapter.

Sennheiser
WeightAbout 306 g (without cable) Technics—
PortUSB Type-C (charging and audio input) Technics—
FoldingTwo methods: swivel and fold Technics—
ControlsPhysical control button: volume, play/pause, track skip

No touch surface.

Technics		—
Build and comfortMetal "Flow Arm"; faux-leather-look ear pads with high-density memory foam

The manufacturer says the design aims to spread pressure across the head.

Technics		—
AppTechnics Audio Connect (iOS and Android): equalizer, noise cancelling settings; Sound Share shares EQ settings by QR code

Sound Share works only between the same model.

Technics		Sennheiser Smart Control for iOS and Android: 5-band EQ, Sound Personalization, Sound Zones, touch control settings

Sound Personalization was developed with Fraunhofer IDMT and builds a sound profile from the user’s reactions to sample sounds.

Sennheiser
In the boxUSB-C to USB-C cable (about 1.2 m), USB-C to 3.5 mm audio cable (about 1.2 m), carrying case

The packaging is plastic-free.

Technics		—
Noise cancellation—Hybrid ANC, adaptive to surroundings; Transparency Mode

Adaptive mode sets the cancellation level automatically for the surrounding noise; Transparency Mode lets outside sound in without removing the earbuds.

Sennheiser
Bluetooth and codecs—Bluetooth 5.4 (Classic and LE Audio); SBC, AAC, aptX, aptX Adaptive/Lossless, LC3; A2DP, AVRCP, HFP, TMAP, PBP

aptX Lossless needs a Snapdragon Sound phone that supports it; an iPhone uses AAC. According to Sennheiser, Auracast broadcast listening only arrives through a firmware update. Multipoint lets it switch between two devices.

Sennheiser
Microphones—3 MEMS microphones per earbud (6 in total), beamforming noise reduction; 100 Hz–10 kHz Sennheiser
Battery—Up to 7.5 hours per charge (ANC off) / up to 7 hours (ANC on); up to 30 hours total with the case; lithium-ion, 75 mAh per earbud, 820 mAh case

Times were measured with an iPhone at medium volume (85 dB). According to Sennheiser, 8 minutes of charging gives about 1 hour of playback; the battery protect mode in the app slows charging and slightly lowers maximum capacity to extend battery lifespan.

Sennheiser
Durability—IP54 dust and splash resistance (earbuds only)

The charging case is not covered by the IP rating.

Sennheiser
Weight and size—Single earbud 6.2 g; case 66.4 g; total 72.4 g; 70.1 × 44.6 × 34.8 mm with the case Sennheiser
Operating conditions—Operating 0 to +40 °C; charging 5 to 35 °C Sennheiser