Mini TA2024 Digital Amplifier XR1075BBE Tone Control Treble& Bass HiFi Audio Amp Parameters: Output Power: 15W @ 4, 10% THD + N 10W @ 8, 10% THD + N Distortion: 0.03% THD + N @ 9W / 4 0.10% IHF-IM @ 1W / 4 0.10% THD + N @ 10W / 4 0.10% THD + N @ 6W / 8 Effectiveness: 80% @ 15W, 4 90% @ 10W, 8 Dynamic Range: 98dB Dimensions: width 108 depth  72  26 mm height Colour: Black Chassis material: aluminum Signal Input: 3.5mm Jack Output signal: Raw Cable Speaker Jacks Power supply: DC9-13V / 4A (Outside 5.5mm - / Inside 2.5mm +) Package includes: - Amplifier x1 - power supply x1