POLSEN HPA-4X2 4-Channel Stereo Reference Headphone Amplifier

Durable, compact, and easy to use

High output level for precise monitoring at high volume

Low noise circuitry

1/4" TRS and RCA inputs

Four headphone jacks each with independent volume control

Wide frequency response (20 Hz to 20 kHz) for full-range stereo sound

Stereo/mono switch provides options for monitoring playback

Link feature to daisy chain additional headphone amplifiers

No loss of signal when all four headphones are connected

Included stereo mini cable for connecting devices with 1/8" output (use included 1/4" adapter)

SPECIFICATIONS
Channels: 4
Input Connections: 1x 1/4" (6.3 mm) TRS master input
1x L,R RCA
Output Connectors: 4x 1/4" (6.3 mm) TRS headphone outputs
Maximum Input Level: +14 dBV
Maximum Output Level: 22 dB, per channel
Input Impedance: 1 kΩ
Output Impedance: Minimum 10 Ω, per channel
Signal to Noise Ratio: >98 dB
THD: <0.007%
Power: 12 V DC, 150 mA
Dimensions (L x W x D): 3.00 x 3.75 x 1.20" (76 x 95 x 30 mm)
Weight: 10.4 oz (295 g)