Excellent small format power amplifier. Like new condition, less than 1 week use. 3 Available All original packaging included. https://www.pro-jectusa.com/en-us/products/pro-ject-box-designs/product-archive/ds-line/amp-box-ds Power Output: 2 x 80W / 125W at 8 ohms / 4 ohms (both channels driven) Frequency Response: 10Hz - 50kHz (+0dB, -3dB) Channel Separation: > -40dB at 20Hz Noise Floor: > -90dB (A-Weighted) THD: < 0.1% Gain: 26dB Pre-In: 1 pr. RCA Jacks Input Sensitivity: 1.5V Input Impedance: 100k ohms Speaker Connectors: 4mm Banana Jacks, Spades, Pin or Bare Wire Trigger: 12V DC Switching Voltage Trigger In/Out: 2-Pole Co-Axial 2.5mm Jack Power Supply: 48V / 2.5A DC Power Consumption: 2.5A DC Dimensions (WHD): 4.1" x 2.9" x 5.7" Weight: 3.1 lbs.*