N-AUDIO HA400 4-Channel Headphone Amplifier with Power Adapter

I accidentally ordered this instead of M-Audio.
It's brand new and unused (^^;)
Thank you in advance m(_ _)m
I do not accept price negotiations.

♫ This is a super compact stereo headphone amplifier.
♫ It has 4 headphone output channels and 1 input channel.
♫ The volume of each output channel can be controlled independently.
♫ Features an ultra-low noise 4580 operational amplifier for excellent audio performance.
♫ Comes with a DC 12V power adapter.