Ampeg Portaflex PF-500 Bass Head
Features
RMS power output: 500 Watts into 4 ohms
Preamp: MOSFET
Power amp: Class D
Tone controls: Bass, mid, treble
Mid-tone control: 5-position
Ultra Hi/Lo boosts
Onboard compressor
Balanced direct out
Pre/post EQ option
-40 dB pad
..