Brand NEW! Including 90 Days USA Factory Warranty. This ultra-compact 25-watt subwoofer amplifier offers the perfect amount of power for any small subwoofer system. It delivers a real 25 watts RMS of power. Highlights Line-level and speaker-level inputs for connection to any system Variable 2nd order low-pass crossover from 60 Hz - 180 Hz Speaker relay prevents turn-off thumps This ultra-compact 25-watt subwoofer amplifier offers the perfect amount of power for any small subwoofer system. It delivers a real 25 watts RMS of power, which is not an exaggerated figure like found in most typical multimedia systems. With a solid 25 watts, it has enough oomph to reach 100 dB with many drivers. Measuring only 6-1/4" square, the 25-watt amp will fit in even the smallest enclosures. Specifications: ? Measured power output: 15 watts RMS into 8 ohms @ 0.1% THD, 25 watts RMS into 4 ohms @ 0.2% THD ? Signal to noise ratio: 90 dB (A-weighted) ? Power requirement: 120 VAC ? Dimensions: 6-5/16" W x 6-5/16" H x 2-9/16" D ? Enclosure cutout: 5-1/4" W x 5-1/4" H. - All international buyers are responsible for all tax, duties and/or customs fees.