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The Alto HPA6 is a moderately priced and feature-laden 6-channel stereo headphone amplifier, offering 3 headphone outputs per channel, distributed between the front and rear panels.
The HPA6 features individual output control and level metering for each channel, in addition to Left and Right Mute switching, Mono/Stereo monitor switches, and Balance controls for mixing the Main and Aux input levels on each channel. The rear panel Main inputs and outputs are balanced, on XLR and 1/4" TRS connectors, and the power supply is a convenient dual voltage type.
The HPA6 is a low-noise, high-value solution for stage or studio headphone monitoring.
6-channel headphone amplifier with 3 headphone outs per channel
Main input gain control, individual channel headphone output gain control
Individual channel Left/Right muting and Mono switching
Front panel Direct In
Dedicated LED level metering for Main In and individual channels
Individual channel Aux In with Balance control knob to mix Main and Aux levels
Main Output for daisy-chaining multiple units
Balanced Main Inputs and Outputs
Left and Right Mute and Mono/Stereo monitor switches with dedicated LED's per channel
Dual voltage power supply for transformer-free international use
Rear: 2 x XLR Female Main Inputs, Balanced 2 x 1/4" TRS Phone Main Inputs, Balanced Front:1 x 1/4" Stereo Phone Direct In 6 x 1/4" Stereo Phone Aux In
Rear: 2 x XLR Male Main Outputs, Balanced 2 x 1/4" TRS Phone Main Outputs, Balanced 12 x 1/4" Stereo Headphone Outs* Front: 6 x 1/4" Stereo Headphone Outs * 6 pairs labeled Headphone Out 1,2,3,4,5 and 6, wired in parallel with corresponding front panel Channels 1,2,3,4,5, and 6 Headphone Outs
Maximum Output Level
1 x Input Gain Knob 6 x Balance per Channel Knobs 6 x Output Gain per Channel Knobs 6 x Left Mute Switches(with Indicator) 6 x Right Mute Switches(with Indicator) 6 x Mono/Stereo Mode Switches(with Indicator)