Alpine says you’ll get the most out of this product if your sound system has an external amplifier ... in this list with a 150-watt RMS power rating and 300 watts of peak power capability.

The AMP20170 is a solid-state, high-power amplifier engineered to meet the demands of modern RF environments across various industries. Designed for use in EMI/RFI testing, laboratory settings, ...

The Exodus AMP20147 is a solid-state high-power amplifier designed for a wide range of applications including EMI/RFI testing, laboratory use, continuous wave (CW) and pulsed operations, and ...