20W 20 watt Commercial PA Mixer Amplifier

Updated August 6, 2026

New/Open Box - Tested - MIC input with front- and rear-panel connectors Rear-panel AUX 1 and AUX 2 inputs Rear panel line-level output allows connection to another amplifier 100V and 70V constant-voltage speaker outputs and 4-16 ohm constant-resistance speaker output Commercial-grade toroidal transformers produce high performance audio on a wide range of frequencies with minimal noise and high fidelity, even at high volume Intelligent limiter can reduce excess signal Reliable protection against overload, short circuit, and power fluctuation for optimum reliability Oversized heat sinks protect against overheating, protecting the amplifier’s working life Interrupt feature mutes AUX inputs when signal is detected on the MIC input -speed of restoration of AUX inputs may be adjusted from sharp to gradual Specifications: Pre Amp Out: 0 bBV / 600 Ohms Total Harmonic Distortion: < .5% Line Level Output: -10 dBV / 3k Ohms Operating Temperature: 14º F (-10º C) - 104º F (40º C) AUX Level Input: 300 mV/ 10k ohms MIC Level Input: 5 mV/ 2k ohms unbalanced / 2.5V / 1k ohms balanced Cooling Mode: Air Cooling Power Source: 100-120 VAC / 60 Hz Power Consumption: 80 W Amplifier Section (@ 1 kHz, 8 ohm load output): Rated Continuous Output Power (THD 1%): 40 W Rated Maximum Output Power (THD 1%): 60 W Input Sensitivity/Impedance: 1V / 20k ohms S/N: Better Than 90 dB Frequency Response (@ 1 kHz Half Power Output, +- 3dB): 40 Hz - 18 kHz MIC Input Section (@ 1 kHz, Preamp Out): Input Sensitivity / Impedance: 2 mV / 600 ohms S/N: Better than 62 dB Frequency Response (+-3 dB): 40 Hz - 18 kHz Tone Control (Bass: 100 Hz, Treble: 10 kHz: 12 dB AUX Input Section (@ 1 kHz, Preamp Out): Input Sensitivity/Impedance: 150 mV / 15k Ohms S/N: Better than 76 dB> Frequency Response (+-3 dB): 40 Hz-18 kHz> Tone Control (Bass: 100 Hz, Treble: 10 kHz): +-12 dB Warranty (Months): 12 Shipping Weight: 9.2 lbs. (4.17 kg) Dimension: 13.25'' (33.66 cm) x 12.88'' (32.72 cm) x 5.38'' (13.67 cm)

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