Behringer MICROMON MA400 Ultra-Compact Monitor Headphone Amplifier Call Centre USB headphone They have a frequency response

They have a frequency response ranging from 40Hz to 20

And you can enjoy the freedom of wireless connectivity with Bluetooth and NFC one-touch listening

ideal for long life and use

Perfect for MP3

Volume Dial

Behringer MICROMON MA400 Ultra-Compact Monitor Headphone Amplifier Call Centre USB headphone They have a frequency responseBehringer MICROMON MA400 Ultra Compact Monitor Headphone Amplifier Ultra compact monitor headphone amplifier for studio and stage applications Personal ''more me'' mixer mix a mic plus a monitor signal and hear them via headphones Flexible Mic In and Mic Through connectors plus Ground Lift switch Stereo Monitor input with dedicated Monitor Level control and Mono Stereo switch High power headphone output on 1 4'' and 1 8'' jack connectors DC 12