BUY STK4216MK10 https://www.utsource.net/itm/p/145210.html
2ch AF Power Amplifier Split Power Supply 70W + 70W min, THD = 0.4%
The STK4216MK10 is a SIP-ZIP (Single In-line Package-ZIP) module manufactured by Sanyo. It is a power amplifier module designed for use in audio applications. Features: * Output power: 10W * Frequency response: 20Hz to 20kHz * Total harmonic distortion: 0.3% * Input sensitivity: 0.7V * Input impedance: 10k ohms * Output impedance: 4 ohms Applications: * Home audio systems * Car audio systems * Professional audio systems * Portable audio systems (For reference only)