Name: Sennheiser CX 400BT Headphones & Earbuds
Brand: Sennheiser
Price: 78.46 USD
Availability: InStock
Rating: 4.2 (730 reviews)

Sennheiser CX 400BT Headphones & Earbuds White New

$78.29$86.98(9.99% off)

Sennheiser4.24.2

(730)

$78.29$86.98(9.99% off)

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SKU	Platform	Merchant	Delivery	Return Policy	Price	Shipping
White	Retro Entertainment PlusLowest Price	Retro Entertainment Plus 5.0(2921)	—	No returns	$78.46	Free
Black	SysmelPremium Curated	Sysmel 5.0	2 - 8 days	—	$119.99	Free
White	Express Shipping	Express Shipping 5.0	17 - 26 da...	30 days re...	$291.41	Free

Retro Entertainment Plus

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$78.46

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No returns

Sysmel

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$119.99

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2 - 8 days

Express Shipping

$291.41

White

Express Shipping 5.0Free

17 - 26 da...30 days re...

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eBay

Promo Code for eBay

HONEYFEB2026

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Promo Code for Amazon

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Price History

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eBay

Avg

Best price

Lowest in 30d

$77.50

Best price

eBay · Aug 14

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Current lowest

$78.46

Live

eBay · Current

Specifications

CX 400BT

Sennheiser

508900

Adult

Everyday Use, Portable, Music, Travel

CX 400BT

Sennheiser

508900

Adult

Everyday Use, Portable, Music, Travel

Side-by-Side Comparison

6 similar products · scroll horizontally to browse

Sennheiser CX 400BT Headphones & Earbuds

This Product

Sennheiser CX 400BT Headphones & Earbuds

4.2(730)

$78.29

—

Avg 0

—

Rounded Tips

Hybrid Driver

21 KHz

Sound Isolation

28 ohm

5.1

20 Hours

508900

Lightweight

—

1.73 Ounces

Bluetooth

Not Water Resistant

—

Two year warranty.

Quiet Travel

Sony WH-1000XM4 Headphones & Earbuds

$256.97 - $383.90

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$179.99 - $438.90

Fast Charge

Sony WH-CH520 Headphones & Earbuds

4.9(45.9K+)

$28.46 - $45.00

Travel Ready

Sony MDRZX110 Headphones & Earbuds

4.4(120.1K+)

$20.00 - $24.99

Pro Audio

Sony WH-CH720N Headphones & Earbuds

4.5(76.7K+)

$79.90 - $101.95

Avg 4.6

Avg 4.3

Avg 3.1

Avg 4.1

1.Built around industry-leading active noise cancellation and a lightweight, comfortable design, this headset delivers 30-hour battery life and a travel-ready case, perfect for uninterrupted focus on long journeys.

2.A practical choice for anyone who values silence and comfort while commuting or flying.

1.Industry-leading active noise cancellation and a comfortable, lightweight design make these ideal for blocking out distractions during travel or deep focus.

2.With 30-hour battery life and quick 3-minute charge for 8 hours of playback, they keep up with long commutes and workdays.

1.With 50-hour battery life and a 5-minute quick charge that provides 4 hours of playback, these lightweight headphones minimize downtime.

2.A practical choice for users who need reliable wireless listening with voice assistant support and fast recharging.

1.With active noise cancellation, a comfortable foldable design, and up to 80 hours of noise-canceling battery, this Sony headphone is built for travelers who value quiet and comfort.

2.Its lightweight on-ear build and reliable sound quality make it a practical choice for daily commutes and long journeys.

1.With a 40mm dynamic driver delivering crisp sound and 35-hour battery life, the Sony WH-CH720N offers great audio for long listening sessions.

2.Its lightweight 192g design and comfortable faux leather earpads make it easy to wear for extended periods.

Frequent travelersNoise-sensitive listeners

Travel and commutingFocus in noisy environments

Frequent travelersRemote workers

Noise-free travelDeep focus

Frequent travelersBusy commuters

Quick chargingLong listening sessions

Frequent travelersCommuters

TravelDaily commute

Music enthusiastsFrequent travelers

Long listening sessionsNoise isolation

Ear-Cup (Over the Ear)

Ear-Pad (On the Ear)

Ear-Cup (Over the Ear)

Dynamic Driver

Not specified

20000 hertz

22000 hertz

Not specified

Active Noise Cancellation

None

Active Noise Cancellation

16 ohm

48 ohm

24 ohm

325 ohm

5.2

—

5.0

30 hours

50 hour

80 hours

35 Hours

1000

BLUETOOTH HEADPHONES

520

NOSIE CANCELLING HEADPHONE

720

Noise Cancellation

Active Noise Cancellation, Wireless, Rechargeable Battery, Noise Cancellation, Leather Cushions, Ambient Sound Mode, HD Voice, Detachable Cable, Built-in Microphone

Wireless

Foldable, Noise Cancellation

Wireless, Noise Cancellation

7.27 x 9.94 x 3.03 in

12.00 x 10.00 x 4.00 in

22.8 x 17.2 x 4.4 cm; 147 g

1.00 x 1.00 x 0.01 in

8.20 x 8.40 x 2.20 in

1 Pounds

8.82 ounces

147 g

5.29 ounces

192 Grams

Bluetooth

Wired

Bluetooth

Not Water Resistant

2020

2025

2023

—

2023

1 year

Amazon Policy

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Sennheiser CX 400BT Headphones & Earbuds White New

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Specifications

General5

Wearing & Design4

Audio7

Mic & Controls1

Connectivity6

Battery3

Durability1

Compatibility1

Warranty1

Others1

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Price History

Specifications

General5

Wearing & Design4

Audio7

Mic & Controls1

Connectivity6

Battery3

Durability1

Compatibility1

Warranty1

Others1