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Black on-ear wireless headphones with padded ear cups and headband

Sennheiser

Sennheiser Accentum Wireless ACAEBT Black Headphones

SKU CH-GM4C-TQ9TH

Wireless on-ear headphones with hybrid ANC, 50-hour battery life, 37 mm drivers, aptX HD support, and 10-minute quick charge for five hours playback

  • TypeOn-Ear
  • ColorBlack
  • Driver Unit37mm driver
  • Frequency Response2,402 MHz to 2,480 MHz; GFSK, p/4 DQPSK, 8 DPSK
  • THD<0,3% (1 kHz / 100 dB SPL)
  • Input Impedance80 ohms
  • 50-hour battery life for multi-day listening
  • Hybrid ANC with Transparency Mode blocks distractions
  • 37 mm driver delivers Sennheiser signature sound
  • 10-minute charge gives 5 hours of playback
  • Built-in 5-band EQ plus Bass Boost and Podcast modes

Sennheiser Accentum Wireless Headphones

The Sennheiser Accentum Wireless ACAEBT Black headphones are on-ear models built for wireless listening. They use a 37 mm dynamic driver and hybrid active noise cancellation to reduce ambient sound. A 3.5 mm connector is also provided for wired use when needed.

Commuter and office listeners

The 50 hour battery life suits long journeys or full work days without recharging. A ten minute charge adds roughly five hours of playback for quick top-ups. Buyers who need over-ear cups or a lighter clamp force should consider a different design.

Hybrid ANC with 50 hour runtime

Hybrid active noise cancellation combines feed-forward and feedback microphones to suppress low and mid-range noise. Transparency mode lets outside sound pass through when awareness is required. The 50 hour figure applies to Bluetooth playback with ANC active.

Highlights

  • 50-hour battery life for multi-day listening
  • Hybrid ANC with Transparency Mode blocks distractions
  • 37 mm driver delivers Sennheiser signature sound
  • 10-minute charge gives 5 hours of playback
  • Built-in 5-band EQ plus Bass Boost and Podcast modes

Specifications

BrandSennheiser
SeriesAccentum Wireless
ModelACAEBT Black
Part Number700174
TypeOn-Ear
ColorBlack
Driver Unit37mm driver
Frequency Response2,402 MHz to 2,480 MHz; GFSK, p/4 DQPSK, 8 DPSK
THD<0,3% (1 kHz / 100 dB SPL)
Input Impedance80 ohms
Power Supplybattery, true
Connector3.5mm
Ear CouplingCircumaural
Noise CancellingHybrid ANC
Wireless TypeBluetooth
Operating TimeUp to 50 hrs music playtime via Bluetooth and with ANC (test condition: iPhone,
Charge TimeApprox. 3 hrs for full charge; After 10 min charging up to 5 hrs music playtime
Microphone Frequency Response50 Hz to 8 kHz
Featureshybrid_noise_cancellation, 5.2, 50 hours, Without Cable, Media Control, application, Wireless, Over Ear, dynamic_driver, 560 ohm, 10 meters

Questions about this item

What comes in the box with the Sennheiser Accentum Wireless ACAEBT Black headphones and what must I buy separately?

The headphones include a 3.5mm audio cable for wired listening. A USB charging adapter is not included and must be purchased separately.

Which version of the Accentum Wireless should I choose for the longest battery life?

This model delivers up to 50 hours of music playtime with Bluetooth and ANC active. A 10-minute charge provides up to 5 hours of additional playback.

What does the 37mm driver specification mean for daily listening?

The 37mm dynamic driver produces Sennheiser's signature sound profile with support for AptX HD audio up to 48kHz/24bit for detailed wireless playback.

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