2 x 15W 4 Ohm TA2024 Class D Audio Amplifier Board Stereo Mini T-Amp Description: As a new member of class D amplifier board, this 2 x 15W also employs TA2024 chip. The efficiency of the TA2024 eliminates the need for an external heat sink when playing music. It supports dual channel amplification and each such channel is rated at 15W which helps producing state of the art sound quality. As the updated version, this board comes more compact. The striking palm size provides audiophiles much more convenience. And it also helps save room in Hifi system assembly. Another difference compared with last version is that accessories are not available now so that you may buy them according to your practical need. Feature: MUTE and SLEEP inputs Proprietary digital power processing technology No heat sink required up to 15W per channel Turn-on and turn-off pop suppression Intelligent short-circuit protection Intelligent over-temperature protection Connects to any passive 4\/8Ω speakers Takes standard audio line output from any sound system Cost-effective 2-layer PCB design Add two +5V, for mute and sleep Specification: Requires single +12V power source Output Power (per channel at VS = 12V): 15W per channel (4Ω, 10%, THD+N) 10W per channel (4Ω, 0.1%, THD+N) Audiophile performance typically: 0.04% THD+N(9Wrms, 4Ω) 0.18% IHF-IM(1Wrms, 4Ω) Efficiency - >88% at full power(RL = 8Ω) Application: Ideal solution for any sound reinforcement installation or application needing an affordable compact PA system. Such as: Background Music Systems Vending Machines Lifts Interactive Kiosks Home DIY Car audio Note: GND should be connected to GND or the housing of your instrument There are two audio-input methods. One is via audio input, another is via terminals (J4,J6) There are two audio-output methods. One is via terminals, another is via corresponding banana jack(J8,J11) Terminals and banana jack need addtionally purchased Package included: 1 x TA2024 2 x 15W class D audio amplifier board