Swiff Audio Knocker Compressor – Punch, Polish, and Sustain for Days
Looking to tighten up your tone without breaking the bank? The Swiff Audio Knocker delivers studio-style compression in a compact, road-ready stompbox that punches way above its price point. Whether you need that clean-country snap, subtle sustain for solos, or punchy funk rhythms that pop off the fretboard, the Knocker gets it done—effortlessly.
Don’t let its size fool you. This mini beast adds a touch of magic to your tone, leveling peaks, enhancing sustain, and fattening your sound—all while staying transparent and musical. The Knocker doesn't squash your dynamics—it sculpts them.
Perfect for guitar or bass, the Swiff Knocker is an ideal always-on pedal or a secret weapon for standout moments. And thanks to its minimalist design, dialing in your ideal compression is fast, easy, and intuitive—even mid-set.
Why It Rocks:
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Smooth, musical compression without tone loss
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Simple 2-knob layout: Level and Attack (knock)
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Compact, pedalboard-friendly mini enclosure
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True bypass for pure signal when off
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Rugged metal chassis with sleek design
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Ideal for clean boost, solo enhancement, or rhythm punch
Specs:
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Controls: Sustain, Level, Attack
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Bypass: True Bypass
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Power: 9V DC (center negative, adapter not included)
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Size: Mini footprint – fits any board!
Whether you're playing clean ambient textures, chimey arpeggios, or lead lines that need that extra lift, the Swiff Knocker delivers professional compression at a pedalboard-friendly price.
Affordable. Effective. Tone-enhancing.
Once it’s on your board, you’ll wonder how you ever lived without it.
"They fixed up my Martin and Santa Cruz vintage like it was their own!"
"This shop is wonderful, and the people here are high-class and on top of it. I highly recommend Tim: he fixed my bass in a timely manner."
"Been coming here for years. The guys are great and the mood is awesome. It's part store part jam session. Super authentic and quality outfit."
Come play it before you buy
It is hanging at Brothers Guitar Shop, 316 E 84th St, New York. Stop in and plug it in, or ask us for more photos or a video of any detail.
Set up on our bench
Every used instrument goes across our repair bench before it is listed: fresh strings, action and intonation set, electronics checked. It ships ready to play.
Shipping and packing
Free shipping on US orders over $35. We ship with USPS, UPS and FedEx depending on the item.
Guitars go out in a double box with the case braced and the neck supported.
Shipping outside the US? Email us for a quote.
Returns
Used gear can be returned within 14 days of delivery, in the same condition you received it. Start a return by emailing brosguitarshop@gmail.com.
Trade in your gear
Got a guitar, amp or pedal you are not playing? We buy and take trades. Tell us what you have and we will make you an offer.