Amplifier card ST530AUX 

Features:

• power: 30 Wrms 
• class D high efficiency
• power selector 30-20-10 W
• audio signal input max 1 V 
• total harmonic distortion: less than 0.1% at 1 kHz
• frequency response 30 Hz - 20,000 Hz

Power supply: 24 Vdc

Weight: 21 gr

NOTES: for 6-8 Ohm loudspeakers