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Sennheiser

Sennheiser HD 450BT

Name: Sennheiser HD 450BT
Brand: Sennheiser
SKU: B083T5NJY5

Current price · Amazon US

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Noise Isolation / ANC

4.7/ 10

Noise Isolation / ANC — measured in the SoundGuys lab.

Key specs

Battery Life Wireless

27 hBelow average

27 h

11 h100 h

below average for over-ear headphones — based on 150 of 240 we've cataloged.

Charging Method

USB-CMost common

Usb-c87%Micro usb10%Others3%

Usb-c is the most common — on 87% of the 135 over-ear headphones we've cataloged (of 240).

Bluetooth Version

5.326%520%5.218%5.411%

5 appears on 20% of the 145 over-ear headphones we've cataloged (of 240).

Weight

238 gBelow average

238 g

132 g420 g

below average for over-ear headphones — based on 195 of 240 we've cataloged.

Battery

Battery Life Wireless: 27 h
Charging Method: USB-C
Full Charge Minutes: 120 min
Battery Life Anc On: 30 h
Battery: Yes
Fast Charging: No

Connectivity

Bluetooth Version: 5
Bluetooth Codec: SBC, AAC, aptX, aptX-HD
Multipoint Devices: 2 devices
USB Charging: Yes

Design

Weight: 238 g
Color Options: Black, white
Foldable: Yes

Features

Companion App: IOS + Android
Eq Customization: Full parametric EQ

Microphone

Count: 2
Microphone: Yes
Type: Dual microphone

Sound

Acoustic Design: Closed-back
Driver Count: 1
Driver Type: Dynamic driver
Frequency Response: 20-20000 Hz
Frequency Response High Hz: 20000 Hz
Frequency Response Low Hz: 20 Hz
Frequency Response Signature: Warm
Noise Cancellation Type: Active

SoundGuys review

Read the full review ›

SOUNDGUYS rating

7.2/ 10

Recommended

Reviewed byLil KatzReviewed July 2025

Isolation4.7

Battery life9.5

Comfort & fit7.0

Connectivity8.0

Design7.3

Portability7.5

The verdict

The Sennheiser HD 450BT is a very good pair of headphones for the price with great sound quality and exceptional battery life. However, the uncomfortable fit due to small ear cups and lack of advanced controls limit its appeal. While noise canceling is adequate, the Sennheiser PXC 550-II offers better overall performance for a modest price increase.

✓What we like

✓Excellent sound quality with balanced bass and midrange emphasis

✓Exceptional battery life of approximately 27-30 hours with ANC enabled

✓Bluetooth 5.0 with support for multiple codecs including aptX Low Latency

✓Portable design with removable and replaceable ear pads

✓USB-C charging port

✓Adequate noise canceling for mid-range price point

✕What could be better

✕Uncomfortable fit with small ear cups that don't accommodate larger ears

✕Initial clamping force causes headband hotspot

✕Poor and confusing button layout requiring learning curve

✕No fast charging despite USB-C port