●This board has no heat sink and the price is for one sound channel.
●Technical parameters.
●Operating voltage: ±(35-45)V
●Output power:150W (4Ω load)
●Output impedance: 4-8Ω
●Frequency response:(-3dB):20Hz-20KHz
●Harmonic distortion:<0.01%
●Absolute zero bottom noise
●Product size: 120*50mm, height 30mm