Ampeg’s Portaflex PF-500 bass head delivers a staggering 500W of power in an ultra-compact design providing pure Ampeg tone in an extremely portable package. Precise tone controls and gig-friendly input/output options provide ultimate flexibility. Pair it with our PF Series flip-top cabinets for the vintage styling and portability of Ampeg’s iconic Portaflex originals.

RMS power output: 500W @ 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

Ground lift

FX loop with dedicated mix control (footswitchable)

Power amp in/ preamp out

1/8” headphone out / line in

-15 dB input pad

Mute (footswitchable)

Power supply: switching

Dimensions ( H x W x D inches): 3  x 14 x 11

Handling weight:  11 lbs / 5 kg