Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)
Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)

Cyber Acoustics AC-4000 Stereo Headset with 3.5mm Plug (Black)

$15.00

Key Features

 

  • Exceptional audio quality 
  • Unidirectional, noise-canceling microphone for clear sound from the mouth
  • 3.5 mm CTIA-compatible plug that can be used with most contemporary devices
  • Flexible microphone for easy positioning
  • Simple, clever cable management design
  • Tangle-free braided TuffCord
  • Adjustable headband to fit head size
  • Easy-to-clean leatherette ear cuffs
  • High-level durability for today’s demanding classrooms

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Up to 30 ft (9 m)   5.1 Microphones   Microphone array for voice pick-up built-in   Compatibility   Bose Music app                          017817835015                866724-0100
Key Features  ·  Quiet Mode for full noise-cancelling performance  ·  Aware Mode lets you hear both your music and environment  ·  High-fidelity audio for clarity and consistency  ·  QuietComfort® technology delivers maximum listening comfort  ·  Noise-rejecting microphone system for clearer conversations        ·  24-hour play time on a single charge for all-day use
With a world-class combination of noise-cancelling performance and ultimate comfort design, the Bose QuietComfort 45 Wireless NC Headphones will give you the most desirable balance of sound and ease of use.     Experience the Difference  Now you can hush the whole world when you switch on the Quiet Mode. With its Acoustic Noise Cancelling technology, the QuietComfort 45 Wireless NC Headphones can give you fewer environment distractions and more of what you want to listen to. If y
Listen for hours through the most relaxing and comfortable headphones. Designed with luxuriously soft, plush cushions, the QuietComfort 45 Wireless NC Headphones will make you forget you’re wearing them.     Full & Deep Sound  Engineered with exclusive Bose technologies like Volume-Optimized Active EQ and TriPort acoustic design, the QuietComfort 45 Wireless NC Headphones produces high-fidelity performance every listening time. Enjoy consistently clear music no matter how soft or loud your volume is.
With a fourth external microphone and noise-rejecting algorithm, the QuietComfort 45 Wireless NC Headphones will give you clear conversations by improving voice pickup and filtering out environment sounds. Be confident in your calls even in noisy and windy situations.     Longer Listening  With 24 hours of play time on a single charge, the QuietComfort 45 Wireless NC Headphones can be used even on a very long flight. Just a 15-minute charge can deliver up to 3 ho
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Acer - CP713-2W 13.5
Acer - CP713-2W 13.5
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Acer - CP713-2W 13.5
Acer Chromebook Spin 713 2020 Steel Gray  Chrome OS None Fingerprint Scanner, password protection  LED 13.5 inches 2256 x 1504 pixels  Intel UHD Graphics Shared  Stereo speakers Two Microphones  Intel 10th Generation Core i3, i3-10110U, 2-core (dual-core) Intel 10th Generation Core i3 2.1 gigahertz  256 GB SSD microSD, microSDXC 8 gigabytes  Wi-Fi Wireless-AX Dual USB Type-C ports yes 2 Thunderbolt 4 ports, HDMI Port, Headphone Jack, USB 3.2 Gen 1 Type-A port, MicroSD Card slot and volume rocker
Acer - CP713-2W 13.5
Acer - CP713-2W 13.5
Acer - CP713-2W 13.5
Acer - CP713-2W 13.5
Acer Chromebook Spin 713 2020 Steel Gray  Chrome OS None Fingerprint Scanner, password protection  LED 13.5 inches 2256 x 1504 pixels  Intel UHD Graphics Shared  Stereo speakers Two Microphones  Intel 10th Generation Core i3, i3-10110U, 2-core (dual-core) Intel 10th Generation Core i3 2.1 gigahertz  256 GB SSD microSD, microSDXC 8 gigabytes  Wi-Fi Wireless-AX Dual USB Type-C ports yes 2 Thunderbolt 4 ports, HDMI Port, Headphone Jack, USB 3.2 Gen 1 Type-A port, MicroSD Card slot and volume rocker

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Customer Reviews

Based on 97 reviews
63%
(61)
14%
(14)
9%
(9)
7%
(7)
6%
(6)
P
P.W.
Works as advertised

The AC-4000 exceeds my expectation for a very inexpensive stereo headset with mic; Apple’s AirPods Pro audio quality is infinitely better. The AC-4000 earphones emphasize bass. The earpieces rest on the back of my ears, so do not smash my ear canals. I can hear 35 Hz - 10.8 kHz with the headset, obviously using increased volume level for the lower & upper frequencies. I tested the AC-4000 with an iPhone 11 Pro using an Apple MMX62AM/A, Model A1749, “Lightning to 3.5 mm Headphone Jack Adapter,” which has a CTIA standard TRRS jack, and it functioned as expected. On an iPhone running iOS 15.2.1, the Left/Right balance adjustment is under near the bottom of the page. To adapt the TRRS plug to a TRS stereo headset plug for listening to a radio transceiver having different audio on the right & left earpieces, I used the KOOPAO model number LST-ROUND-AUX-2M1F adapter; the adapter’s headphone TRS plug has tip audio is on the mic boom side.

M
Michelle
Works great for in home work

This is great, though I think I talk louder because I can't hear myself LOL.
This works especially well when I am trying to listen to something on my laptop in my house and there are people around and lots or background noise that then gets cut out for myself and those in my meetings.

D
DMcCauley
Very good

Clear sound and quality.

C
Cheri1220
Nice for my work from home calls

I got this for my work from home calls. It's been nice to hear better. The Wi-Fi ones gave me a headache

M
Meow House
Good value, well worth it for this low ****

I bought these headphones to use when transcribing; and for phone calls and Zoom meetings when there is noise around me. Have used for a few hours so far and am quite happy. Surprised these only cost $14 something. The ear pads fit right over my ears and do a good job of blocking out background noise. (Of course they are not soundproof. I don't think any headphones are, no matter what they say. Maybe the $300 kind are.) The mic is good and I've asked numerous people if they can hear me OK and is my voice clear, and everyone so far says I sound fine. So far I've mostly been using with an iPhone and a 3mm-to-lightning converter cable and all is well. Recommended.

E
Emily C
Updated (All is well again!) - Headset is great for noise cancelling

This headset worked perfectly for me for about 3 weeks (I used the headset about 1-2 hours a day for conference calls). The quality was great, noise around me was minimized and they were comfortable to wear. Last week, however, the left side started going out so now the quality is spotty (if both sides are working), or I can only hear on one side. Such a shame because the headset really was helpful for my calls.
UPDATE: I was in desperate need of a headset during a call, so I used the headset again (expecting only one side to work- again desperate). Surprisingly, they are working just fine again. I've used for about four weeks with no issues.
When updating this review, I did realize support reached out to me (I must have overlooked the email), but I didn't have to replace. Thank you.

parallax

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