jbl sma 8300JBL Synthesis SMA 8300 Powerful 8 channel Class D amplifier for high performance audio systems JBL Synthesis SMA 8300 is a compact 8 channel Class D power amplifier developed to deliver maximum performance in installations where high power and many channels must be combined with efficient use of space. With 300 watts per channel into 8 ohms and the option to bridge channels to 1,200 watts, the SMA 8300 offers a flexible configuration that makes it