POLSEN HPA-4X2 4-Channel Stereo Reference Headphone Amplifier
<p>Durable, compact, and easy to use<p>High output level for precise monitoring at high volume<p>Low noise circuitry<p>1/4" TRS and RCA inputs<p>Four headphone jacks each with independent volume control<p>Wide frequency response (20 Hz to 20 kHz) for full-range stereo sound<p>Stereo/mono switch provides options for monitoring playback<p>Link feature to daisy chain additional headphone amplifiers<p>No loss of signal when all four headphones are connected<p>Included stereo mini cable for connecting devices with 1/8" output (use included 1/4" adapter)<p><B>SPECIFICATIONS</B><br/><B>Channels:</B> 4<br/><B>Input Connections:</B> 1x 1/4" (6.3 mm) TRS master input<BR/>1x L,R RCA<br/><B>Output Connectors:</B> 4x 1/4" (6.3 mm) TRS headphone outputs<br/><B>Maximum Input Level:</B> +14 dBV<br/><B>Maximum Output Level:</B> 22 dB, per channel<br/><B>Input Impedance:</B> 1 kΩ<br/><B>Output Impedance:</B> Minimum 10 Ω, per channel<br/><B>Signal to Noise Ratio:</B> >98 dB<br/><B>THD:</B> <0.007%<br/><B>Power:</B> 12 V DC, 150 mA<br/><B>Dimensions (L x W x D):</B> 3.00 x 3.75 x 1.20" (76 x 95 x 30 mm)<br/><B>Weight:</B> 10.4 oz (295 g)