Audio-Technica at Audio46

Audio-Technica - AT-WLA1 Bluetooth headphone adapter

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Product SKU: AT-WLA1

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Audio-Technica - AT-WLA1


The AT-WLA1 wireless headphone adapter cable utilizes Bluetooth® technology to turn wired in-ear headphones into wireless headphones. The cable works with any in-ear headphones equipped with A2DC (Audio Designed Detachable Coaxial) cable connectors.

The AT-WLA1 features an in-line mic and controls, allowing you to answer calls, adjust volume and control music playback on compatible smartphones and other devices. The cable’s behind-the-neck design conveniently situates the mic and controls for easy access and places the battery case on the upper back where, if desired, it can be attached to your shirt collar with the included clip. Ear hooks are also included for use with headphones designed to wrap around the ears.

The internal battery powers the headphones for up to 7 hours (200 hours standby) and can be recharged with the included 30 cm (1') USB charging cable.

*The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Audio-Technica Corporation is under license. Other trademarks and trade names are those of their respective owners.





Corresponding Headphone Impedance:  11.5 – 47 ohms
Maximum Output Level:  2.5 mW + 2.5 mW (at 16 ohms, T.H.D. 10%)
Frequency Response:  20 – 20,000 Hz
Signal-to-Noise Ratio:  55 dB (A-weighted)
Total Harmonic Distortion:  <=0.15%
Output Connector:  A2DC
Battery:  DC 3.7 V lithium polymer rechargeable battery
Battery Life:  Max. 7 hours continuous use (200 hours standby)
Charging Time:  Approx. 3 hours (for 0-100% charge)
Operating Temperature:  41 – 104° F (5° – 40° C)
Weight:  10 g (0.35 oz)
Accessories Included:  30 cm (1') USB charging cable, ear hooks, secure-fit clip, pouch
Type (Microphone):  Condenser
Sensitivity (Microphone):  -44 dB (1V/Pa at 1 kHz)
Frequency Response (Microphone):  100 – 10,000 Hz
Polar Pattern (Microphone):  Omnidirectional
Input Jack:  Micro USB Type B
Communication System:  Bluetooth Version 4.1
Output:  Bluetooth Specification Power Class 2
Maximum Communication Range:  Line of sight - approx. 10 m (33')
Compatible Bluetooth Profiles:  A2DP, AVRCP, HFP, HSP
Support Codec:  aptX, AAC, SBC

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