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Sennheiser CX 7.00 BT

Neckband wireless Bluetooth® headphones

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Item # 143CX700BT

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Overview

Our take on the Sennheiser CX 7.00 BT

Sennheiser sound in a trendy neckband design

Neckband earbuds are popular these days — and our customers have always dug Sennheiser headphones. The CX 7.00 BT in-ear headphones feature a sturdy neckband that stabilizes the earbuds as you move around. Music plays wirelessly, and the sound is all Sennheiser. When I spoke to the company's legendary designer Axel Grell, he told me that the company uses the super-premium models (like their flagship in-ears, the IE 800 S headphones) to inform the design of all of their headphones.

Product Highlights:

  • Bluetooth 4.2 for wireless music listening and phone calls with compatible smartphones
    • aptX® and AAC decoding provides high-quality music streaming from compatible devices
  • earbud cables connect to a rigid neckband
    • neckband vibrates for phone call notification
  • drivers tuned to deliver Sennheiser's clear, distinctly smooth sound
  • 3-button remote for controlling music playback and volume with a smartphone or portable music player
  • built-in microphone for making calls with a smartphone
  • built-in rechargeable battery offers up to 10 hours of listening (USB charging cable included)
  • earpieces and cord feature bright, reflective colors for visibility and safety
  • includes 4 sizes of ear tips for a proper fit
  • carry case
  • frequency response: 17-21,000 Hz
  • weight: 1.7 ounces
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • Neckband-style wireless in-ear headphones
  • 4 Pairs of silicone ear tips (1 pair installed)
  • 51" USB charging cable (Type A USB on one end and Micro-B USB on other end)
  • Cloth storage pouch
  • Quick Guide
  • Safety Guide
  • Compliance Information
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Details

Hands-on research

Features and Specs

General
Fit Style In-ear/Earbud
Earcup Type Closed
Earcup Width x Height 0.482" x 0.482"
Noise-canceling No
Mic For Taking Calls Yes
iPhone Control Yes
Lightning Connector No
Android Control Yes
Frequency Response 17-21k Hz
Sensitivity N/A dB
Impedance N/A
Weight 1.7 ounces
Cord Length 9" + 9"
1/4-inch Adapter Included No
Storage Pouch
Charging Case No
Volume Control Yes
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Features

Overview: The Sennheiser CX 7.00BT in-ear neckband-style wireless headphones are lightweight and comfortable. The ear buds are the same as the CX 6.00BT wireless in-ear headphone with their durable construction, but add a comfortable neckband. The CX 7.00BT in-ear wireless headphones feature Bluetooth with NFC one-touch pairing, and come with 3 pairs of silicone ear tips, a USB charging cable, and a soft cloth storage pouch.

Design: The CX 7.00BT in-ear wireless headphones are equipped with high-performance dynamic drivers, housed in an ergonomic ear bud that is angled at 15°. The sleek neckband rests comfortably at the base of your neck while the ear buds are attached to the neckband by 9" wires.

Bluetooth 4.1: With Bluetooth 4.1, the CX 7.00BT in-ear wireless headphones give you freedom from cables. They are compatible with Qualcomm apt-X and AAC codec support for high-fidelity sound. Supported profiles include A2DP, AVRCP,and HFP. NFC One-touch pairing lets you immediately connect to your compatible Android devices. The headphones can save the connection profiles for up to eight Bluetooth devices.

Ear Sleeves: The CX 7.00BT in-ear wireless headphones come with four sizes of silicone ear sleeves (XS, S, M, L) to assure you'll find the perfect fit.

Remote/Microphone: The CX 7.00BT in-ear wireless headphones has on-board controls and a microphone on the neckband. The 3-button remote lets you control volume, music playback (play, pause, play next song, play previous song), and phone functions (accept call, end call, reject call, voice control). The built-in omni-directional microphone lets you carry on your phone conversations with clarity. The headphones provide voice notification of the pairing status and low-battery warnings.

Battery: The headphones are equipped with a built-in Lithium-Polymer battery (170mAh) to give you a full 10 hours of playback from a 1.5 hour charge. The battery charges via the supplied Micro USB cable.

Specifications:

  • Frequency Response (Headphones): 17Hz - 21kHz
  • Sound Pressure Level (SPL): 112 dB (1 kHz/0 dBFS)
  • Total Harmonic Distortion (THD): < 0.5 % (1 kHz, 100 dB SPL)
  • Dimensions:
    • Ear Buds: 0.482" diameter, 0.885" depth
    • Neckband: 18" length, 0.732" height, 9" cable length (each side)
  • Weight: 1.7 ounces

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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