Video of RHPA4:

Includes:

• Headphone amplifier
• USB to barrel jack cable and DC 5V USB Power Supply
• Owners-manual
• Warranty card

Applications:

• Studio recording
• Podcasting
• Bands
• And more!

Features:

• Rockville RHPA4 4-Channel Professional Headphone Amplifier
• Inputs: and 3.5 mm input
• Stereo or Mono switch
• We include (4) TRS and (4) 3.5 mm headphone outputs run in parallel which means you can actually run 8 headphones (2 per channel)
• 4 Outputs each output has individual volume controls
• Thick metal shell casing
• High quality potentiometer knobs for each channel
• Power “On LED.
• DC 5V USB power supply has low power consumption
• BUS powered means you can get power to the unit from a power bank or through the USB on a computer or laptop
• Rubber feet

Specifications:

• Input Impedance: 22K ohm
• Max. Input Level: +22dB
• Output Impedance: Min. 16Ohm
• Max. Gain: 20dB/Channel
• S/N Ratio: >98dB
• Frequency Response: 20 – 20 kHz
• S/N Ratio: > 90dB (ref 0dBu)
• THD: < 0.01%
• Power supply: 5VDC, >=1000mA via USB Power Adaptor
• Dimensions: 4.6 x 3 x 2.36
• Weight: 0.85 Lbs
• 0dBu = 0.775Vrms