Behringer MA400 Ultra-Compact Monitor Headphone Amplifier in excellent condition, all functioning as it should.
 
Features
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 Vadapter included