SENNHEISER SENNHEISER508937 Datasheet

HD 250BT
Wireless

Battery

life

SPECSHEET

HD 250BT

The HD 250BT deliver a thrilling audio experience, with
Sennheiser’s famed transducer technology ensuring higher
quality audio with dynamic bass. Thanks to a 25-hour battery
life, advanced wireless technology and rugged design they
can keep pace with the busiest lifestyles.

– High-quality sound with dynamic bass

– AAC, aptX™ codec support and aptX™ Low Latency

– 25-hours of battery life

– Smart Control App with equalizer function

– Advanced wireless Bluetooth 5.0 technology

Technical Data

EAN 4044155252507

UPC 615104348578

Art. No. 508937

Accessories

HD 250BT earpads Art No. 509179

General Data

Ear coupling Supra-aural

Transducer 32 mm

Transducer principle Dynamic

Acoustic Principle Closed

Power supply Built-in rechargeable lithium-polymer

battery: 3.7 V ⎓, 190 mAh
USB charging: 5 V ⎓, 100 mA max.

Charging time Up to 3 hrs

Operating time Up to 25 hrs

Temperature range Operation: 0°C to +40°C

Charging: +10°C to +40°C
Storage: –20°C to +60 °C

Relative humidity Operation: 10 to 80%, non condensing

Storage: 10 to 90%

Weight (headphones) Approx. 125 g

App support Sennheiser Smart Control App

for iOS™ and Android™

Bluetooth

Version Bluetooth 5.0 compatible, class 1, BLE

Headphones

Frequency response 20 Hz to 22,000 Hz (-10 dB)

Sound pressure level (SPL) 110 dB (1 kHz/0 dBFS)

THD – total harmonic
distortion (1 kHz, 100 dB SPL)

Microphone

Microphone principle ECM

Microphone frequency
response

Sound pressure level (SPL) -44 dbV/Pa

Microphone pick-up pattern
(speech audio)

Packaging

Content of delivery

Packaging type Carton Box

Language on packaging English, German, French, Spanish,

Dimensions product
packaging (L x B x H)

Weight of headphones
with packaging

Dimensions of outer master
carton (L x B x H)

Number of products
per outer master carton

Total weight of outer master
carton & products

< 0.3 %

100 Hz to 10,000 Hz

omni-directional microphone
Single mic

HD 250BT Wireless Headphones
USB-C Charging Cable
Quick Guide and Safety Guide

Simplified Chinese, Japanese

85 x 200 x 235 mm

315.2g

455 x 420 x 265 mm

10

5,347g

Transmission frequency 2,402 MHz to 2,480 MHz

Modulation GFSK, π/4 DQPSK, 8DPSK

Output power 10.0 mW (max)

Profiles HSP, HFP, AVRCP, A2DP

Codec aptX™, aptX™ Low Latency, AAC, SBC

WEEE packaging infor mation

Material of single package
(incl. weight)

Material of outer master
carton (incl. weight)

WEEE Weight (Net Weight) 130.2g

Paper / Cardboard: 292.1g
Plastic: 8.4g

Paper / Cardboard: 892.6g
Plastic: 0.0g

08/20 Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG www.sennheiser.com