Beautiful small Equalizer Has been tested and works perfectly. Model: Realistic Stereo Frequency Equalizer 31-1987 - Radio Shack Tandy, Realistic, Shape Book-shelf unit. Dimensions (WHD) 285 x 118 x 165 mm / 11.2 x 4.6 x 6.5 inch Notes Radio Shack 5 Band Stereo Frequency Equalizer Model Realistic 31-1987. 2x 5 Band Graphic Equalizer - 60, 240, 1000, 3500, 10000Hz Control Range ±12dB Output Level: 1V Gain: ± 0dB Frequency response: 5Hz to 100000Hz +0,5 dB to -1 dB Signal to Noise Ratio: 90dB Total harmonic distortion: 0.02% Front Silver. Power Requirements: UL & C.S.A. Models - 120VAC, 60Hz - 10 Watts European Models - 220/240VAC, 50Hz - 10 Watts Australian Models - 240VAC, 50Hz - 10 Watts Net weight (2.2 lb = 1 kg) 1.2 kg / 2 lb 10.3 oz (2.643 lb) Please take a good look at the photos, these are part of the description. With manual! Tested and carefully shipped!