Best Seller | Polsen HMA-41 4-Channel Stereo Headphone Amplifier HMA-41 Authorized Polsen USA Dealer! Read 12.00 User Revi... Free Shipping! Polsen HMA-41 4-Channel Stereo Headphone Amplifier For Pro & Project Studio Applications, Compact & Portable Design, 1x 1/4" TRS Stereo Input, 4x 1/4" Stereo Headphone Outputs, Low Noise Circuitry, Independent Volume Control Per Channel,... ... more Polsen HMA-41 4-Channel Stereo Headphone Amplifier HMA-41 Free Shipping! Polsen HMA-41 4-Channel Stereo Headphone Amplifier For Pro & Project Studio Applications, Compact & Portable Design, 1x 1/4" TRS Stereo Input, 4x 1/4" Stereo Headphone Outputs, Low Noise Circuitry, Independent Volume Control Per Channel,... | | $34.99 $24.99 FREE shipping go to store |