10Specifications1. Rated Output Power, per channel (1 kHz, THD 0.1%, Both Ch Drive)Stereo / Parallel modesS1500, per channel (into 4 ohms) 760 WS1500, per channel (into 8 ohms) 520 WS2000, per channel (into 4 ohms) 1045 WS2000, per channel (into 8 ohms) 670 WBridged modeS1500, per channel (into 8 ohms) 1520 WS2000, per channel (into 8 ohms) 2090 W2. Frequency Response (0 dB, +0, -.5 dB) 10 Hz - 20 kHz3. Total Harmonic Distortion(1/2 power @ 20 Hz - 20 kHz, Both Ch Drive into 4 ohms) 0.04%4. Dynamic RangeS1500 102 dBS2000 101 dB5. Channel Separation (4 ohm, 125 W, 1 kHz) 78 dB6. Residual Noise (0 dB ref. = .775 VAC rms, 22 Hz - 22 kHz)S1500 (Att. Min.) -69 dBuS1500 (Att. Max.) -67 dBuS2000 (Att. Min.) -69 dBuS2000 (Att. Max.) -66 dBu7. Voltage Gain (4 ohm, 1 kHz)S1500 37.2 dBS2000 38.5 dB8. DC Offset Voltage 0 ± 100 mV9. Damping Factor More than 20010. IndicatorsClipping LED 1 kHz THD 0.1%Signal LED Right -20 dB ± 2 dBSignal LED Left -40 dB ± 2 dB11. Dimensions 19 in (w) x 14.0 (d) x 5.25 (h)482 mm (w) x 355 (d) x 133 (h)