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The Oneodio A Series is an over-ear headphone with hybrid active noise cancellation rated at up to 35dB of reduction, a 40mm driver, and a coiled 2-3m detachable cable with an in-line mic. It also supports Bluetooth 5.0 for wireless listening, so it works both wired and untethered. The 32Ω impedance and 110dB sensitivity make it easy to drive from a phone or mixer. At $49.99 at Amazon as of November 4, 2026, it sits at the low end of its recent range and is cheap for a headphone with ANC.
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Lowest price we've seen: $35.99 on Nov 4. Tracked across 4 stores since Nov 4.
With 4.7 out of 5 from 2,536 ratings, owners mostly treat the A Series as strong value for the price. Complaints tend to focus on noise cancellation that is decent rather than class-leading.
Hybrid Active Noise Cancellation
The noise reduction depth reaches 35dB. Advanced noise cancelling technology blocks out up to 95% of low and mid-range frequency noises. Ideal for airplane travel, commutes, office, etc. Just immerse yourself in music, movies, or phone calls.
Dual Sound Chamber
Dual Chamber Drivers feature one chamber for bass and a separate one for mids and highs. This separation provides a clearer distinction between sounds. The two sound chambers do not interfere with each other and can be tuned individually through the DualPro Channel - for reduced distortion, richer trebles, brighter midrange, and powerful bass.
Hi-Res Audio
Experiencing the superb hi-res audio with dual built-in high-quality 40mm drivers, A Series exclusive bass boost technology conducts a real-time analysis of the low frequencies to instantly strengthen the bass output. An ideal headphone for audio lovers.
USB-C Power Delivery Charging
Equipped with Type-C fast charging port. Get 4 hours of playtime by charging in just 15 minutes.
Wireless & Wired Mode 2-in-1
You can use wired mode when the headphone is out of power.
The microphone only works in the wireless mode.
The ANC function only works in wireless mode.
Transparency Mode
Press the ANC button to switch to Transparency Mode, which lets outside sound in, so you can interact naturally with your surroundings. Ideal choice for talking and traveling.
5-Mic HD Call Experience
Feed Forward FF Mic + call microphone to achieve a clear call, separate the noise of the environment in the real-time, accurate extract of clear human voices, and ensure high-quality call effects.
Comfort All Day
Memory foam earcups gently mold around your ears, while the headband’s rotating joints automatically adjust the angle of the earcups to fit the shape of your head. This ensures that A Series active noise cancelling headphones deliver maxim
