Very well regarded amp.
Stereo - 50 watts per channel 8 ohms / 90 watts per channel 4 ohms
Mono - 120 watts 8 ohms / 150 watts 4 ohms
Can be used to drive either stereo speaker pair, subwoofer or instrument speaker cabinet.
Excellent foundation for quality first high fidelity set or DIY bass amp.
Bashed up examples are going for 200 and over plus shipping on ebay.