Professional recording quality, desktop size.
The PreSonus HP4 Discrete 4-Channel Headphone Amp features 4 headphone outputs on the front panel, each with its own volume, and 150mW of amplification per channel-extremely loud output with a low -98dB noise floor. It also allows control over control room monitors with a separate volume knob that can be muted using the Monitor Mute button. 1/3 rackspace. Accepts balanced/unbalanced inputs and outputs (1/4" TRS). Input can either be set to stereo or mono (the mono selector button on the front channel simply copies both inputs to both sides). Powered by an external wall-mounted supply.
The HP4 represents a tremendous value as echoed by this email received by PreSonus:
"To my amazement, your HP4 sounded as good as both of my hi-fi stereo heaphone amps. Very very clean and loud. I can't believe you put 150 mw per channel, @52 ohms, to four headphone outputs and offer such a quality unit for very little over $100." (M. Burke via email)
- 4 discrete headphone outputs
- Each with its own volume and 150mW of power
- Extremely loud output with low noise (-98dB noise floor)
- Allows control over control room monitors with a separate volume knob
- Control room volume can be muted using the Monitor Mute button
- 1/3 rackspace
- Balanced/unbalanced TRS I/O
- Powered by an external wall-mounted supply
Think small and get big-time headphone control.
- Input: TRS Impedance: 10K Ohms
- Output: TRS Balanced: 51 Ohms Impedance
- THD+Noise (Unweighted): 0.002%
- Noise Floor: -98dB
- Signal To Noise: >95dB
- Power Supply Rejection: >98dB
- Power: 16 Watts
- Headphone Level: 1 to 12
- Monitor / Feed Output: -80dB to +10dB
- Mono Switch: Monitor / Feed Mute
- Type: Linear
- Input: 16 VAC/1000 mA (factory configured)
- Weight: 5 lb.
- Dimensions (W x D x H): 5.5" x 5.5" x 1.75"
- Mounting: Max Rack and Universal Rack Tray
- Chassis: Steel
- Panel: Brushed Aluminum
- Sides: Cast Aluminum
