925 Mono

About the 925 Mono

The Jeff Rowland 925 Mono is a premium monoblock power amplifier designed for audiophile-grade music listening. It features a balanced Class A/B design with unique output circuitry ensuring extremely low distortion of less than 0.004% THD + Noise across the full audio spectrum from 20 Hz to 20 kHz. The amplifier delivers 430 watts into 8 ohms and 850 watts into 4 ohms, powered by a 2400 W regulated DC switching power supply with Active Power Factor Correction. It has a frequency response of 5 Hz to 50 kHz, input impedance of 40k ohms, and a damping factor greater than 1000. The overall gain is switchable between 26 and 32 dB. The amplifier is housed in a precision-machined chassis made from aircraft-grade aluminum for excellent thermal dissipation and resonance control. It includes one pair of balanced XLR and one pair of unbalanced RCA inputs, with two pairs of parallel binding post outputs. The amplifier weighs 160.4 lb (73 kg) per channel and measures 16.5" x 15.5" x 16.25" (419mm x 394mm x 413mm). It is suitable for standalone or multichannel surround sound setups and is highly regarded for its power, detail resolution, harmonic coherence, and musicality.