This second hand pedal is in very good condition.

works fine - some cosmetic marks on the pedal

The Ampeg Opto Comp is Ampeg’s take on a simple, musical, optical compressor pedal designed for bassists who want warmth, subtle control, and studio‑style smoothness without diving into complex parameters. It’s affordable, easy to use, and pairs naturally with Ampeg‑voiced rigs  but  also works beautifully with guitars, synths, and other electric instruments.

 Build & Design

The Opto Comp is built like a classic Ampeg stompbox: compact, sturdy, and visually clean. It uses an optical compression circuit, which is known for its smooth, natural response.

• Solid metal enclosure
• True bypass switching
• Three‑knob layout (Compression, Release, Output)
• Internal 15 dB pad jumper (modifiable externally, as noted in one review)

The pedal feels gig‑ready and roadworthy, with no unnecessary frills.

 Tone & Performance

This is where the Opto Comp earns its reputation. Optical compressors tend to be warm, musical, and forgiving and the Ampeg version leans into that character.

• Creamy, instantly smooth compression when engaged
• High signal‑to‑noise ratio, meaning it stays clean and quiet even at higher settings
• Works well on bass, guitar, and even synths, with no tonal “walls” it can’t handle
• Adds a warm vibe and helps tame low‑end boom, especially for pick players

The compression itself is subtle to medium in character , it’s not a brickwall limiter or a super‑squashy effect. Instead, it enhances your tone with a gentle, vintage‑style polish.

If you want a compressor that “disappears” into your tone while making everything feel more controlled, this is exactly that.

 Controls

The Opto Comp keeps things simple:

• Compression – how much the signal is being squeezed
• Release – how quickly the compressor lets go
• Output – makeup gain

There’s no blend control and no tone knob, which some reviewers note as a limitation if you want more sculpting options. But for players who prefer a straightforward, set‑and‑forget compressor, the simplicity is a plus.

 Real‑World Use

• Excellent for taming low‑end peaks in a band mix
• Adds roundness and consistency when playing with a pick
• Works well in front of other Ampeg pedals like the SGT‑DI
• Great for slap, fingerstyle, and pick techniques (as seen in comparison demos)

It’s particularly good for players who want a compressor that enhances feel rather than dramatically altering tone.

It competes well with compressors costing significantly more, especially if you prefer a vintage‑leaning sound

Pros

• Warm, smooth optical compression
• Very quiet operation
• Simple, intuitive controls
• Works well with bass, guitar, and synths
• Excellent value for money
• Great for taming low end without killing dynamics

The Ampeg Opto Comp is a fantastic choice for bassists who want a warm, musical compressor that enhances feel and consistency without overprocessing the signal. It’s simple, quiet, and effective — a perfect “always‑on” pedal for players who value tone over tweakability.

If you’re after a transparent, vintage‑voiced compressor that won’t break the bank, the Opto Comp is absolutely worth a spot on your board