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Available on backorder


The Audio Technica ATH-TWX9 truly wireless earbuds redefine the listening experience, offering advanced features and customizable sound options. These headphones boast digital hybrid noise-canceling technology, deep-UV sterilization, and Qualcomm® Snapdragon Sound™ platform integration, providing an unparalleled audio journey. Ideal for workouts or commuting, they feature a splashproof design and secure fit for comfort and stability.
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Truly wireless in-ear headphones with digital hybrid noise-cancelling technology

Ambience control for music playback and calls

Five preset noise-cancelling modes or adaptive noise cancellation

Hear-through function for ambient sounds and conversations

Newly designed 5.8 mm high-resolution drivers for extended high-frequency range

Compatibility with Qualcomm® Snapdragon Sound™ and Sony’s 360 Reality Audio

Hybrid eartips for optimal fit and sound performance

Dual high-performance MEMS mics and Qualcomm® cVc™ Generation 8.0 technology for crystal-clear calls

Sidetone circuitry for improved call conversations

Qualcomm® TrueWireless Mirroring for independent transmission to each earbud

Multipoint pairing for connectivity to two devices simultaneously

Approximately 6 hours of playback with up to 12.5 hours extended use via charger

Deep-UV LED sterilization system in charging case

A-T Connect app for additional control and personalization

Rain and water splashproof design (IPX4-equivalent)

Flexible dual- or single-ear usability

Includes USB-A/USB-C charging cable


Type Dynamic
Driver Diameter 5.8 mm
Frequency Response 10 to 40,000 Hz
Sensitivity 102 dB/mW
Impedance 16 ohms
Weight Headphone: Approx. 5.4 g (0.19 oz) (L side), approx. 5.4 g (0.19 oz) (R side); Charging case: Approx. 55.9 g (2.0 oz)
Charging Time Headphones: Approx. 2.5 hours *3
Charging case: Approx. 3.5 hours (USB charging) *3; Approx. 5.0 hours (wireless charging) *3
Operating Temperature 5 °C to 40 °C (41 °F to 104 °F)
Operating Time Continuous transmission time (music playback): Max. approx. 6.0 hours *3 (headphones), Max. approx. 18.5 hours *3 (if charging case is used in combination)
Microphone Type MEMS type
Microphone Sensitivity -38 dB (1 V/Pa, at 1 kHz)
Microphone Frequency Response 100 to 16,000 Hz
Microphone Polar Pattern Omnidirectional
Power Supply Headphones: DC 3.85 V lithium ion battery
Charging case: DC 3.85 V lithium polymer battery
Water-Resistant (drip-proof) Performance IPX4*4
Accessories Included • USB charging cable (30 cm (12″), USB Type-A / USB Type-C)
• Eartips: Short (XS, S, M, L), Standard (XS, S, M, L), Long (XS, S, M, L)
Notes *1 When using Qualcomm® Snapdragon Sound.
*2 When using Qualcomm® Snapdragon Sound and Qualcomm® aptX™ Adaptive audio.
*3 The figures above depend on operating conditions.
*4 Headphones only.

For product improvement, the product is subject to modification without notice.

Bluetooth® Version Bluetooth version 5.2
Operating Range Line of sight – approx. 10 m (33′)
Maximum RF Output 10 mW EIRP
Frequency Band 2.402 GHz to 2.480 GHz
Modulation Method GFSK, Pi/4DQPSK, 8DPSK
Spread Spectrum Method FHSS
Compatible Bluetooth Profiles A2DP, AVRCP, HFP
Support Codec Qualcomm® aptX™ Adaptive audio, Qualcomm® aptX™ audio, AAC, SBC
Supported Content Protection Method SCMS-T
Supported Sample Rates 44.1 kHz, 48 kHz, 96 kHz *1
Supported Bit Rates 16 bit, 24 bit *2
Transmission Band 10 Hz to 47,000 Hz; (when Qualcomm® Snapdragon Sound 96kHz sampling) 20 Hz to 20,000 Hz

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