Amp has been unboxed to photograph and test.

Nowadays, bass players can get beefy sound without back-breaking weight. Along with the birth of the transistor and neodymium speakers, the development of reliable Class D power amps and super-light switchmode power supplies have been the biggest advancements in bass amp technology in decades. The PF-800 offers classic Ampeg features such as extensive EQ, Hi/Lo frequency boosts, flexible I/O, and most important, 800 watts of legendary Ampeg tone—all while weighing less than 12 pounds.

• 800 Watts

• MOSFET preamp

• Class D power amp

• 5-position midrange frequency selection

• Footswitchable effects loop with dedicated Mix control

• Stereo Aux Input and 1/8" Headphone output

• 11.8lb/5.4kg