Digital Low-Distortion Meter 10Hz~150kHz (MAD-201D)

20Hz-20kHz Frequency Continuously Variable 7 Distortion Ranges Distortion Meter (MAD-201C)

Heat Distortion Tester (HD-8120)

2.0-channel Speakers, 0.3 to 1.5% Distortions and 3.5mm Audio Input

IR Stereo Headphones with 20 to 20kHz Frequency Response and <1% Distortion

863MHz RF Wireless Headphone with <0.5% Distortion, CE/FCC Marks

IR Stereo Headphones with <1% Distortion and 20 to 20kHz Frequency Response

Mobile Phone Docking Station Bluetooth Wireless Speaker, <1% Distortion

Electronic Display Sign with Super Correcting Technology for Distortion and Remote Control

Mixing Console with Very Low Distortion

Bluetooth Speaker, Version 2.1+EDR, Distortion: <1%, SNR>90db, Built-in Li-Polymer, 500mAh power

Bluetooth Speaker, Version 3.0+EDR, distortion: <1%, SNR>85db, built-in Li-Polymer, 800mAh