Keeley launches RK2000 Funk Siren Delay in Standard Edition
April 20, 2026 · 3 sources

The Keeley RK2000 Funk Siren Delay was officially released on April 20, 2026, after weeks of teasing, according to Guitar Pedal X1. Two Custom Shop PGH editions in Glow White or Black had been available before the Standard Edition1.
The pedal is a recreation of the 1983 Ibanez/Maxon DM2000 rack delay in pedal form12. Guitar Pedal X describes it as a "Freeze-Hold Delay Pedal" with "16Bit architecture and tape-style modulation"1. Gearnews describes the original rack unit as 12-bit and says Keeley has replicated it, so it expects "a grainy, lo-fi-ish sound"2. The two accounts differ on bit depth.
Controls are Blend/Wet-Mix, Feedback/Repeats, HPF | FILTER | LPF, Modulation Depth, Input Level, Time and Modulation Rate, with a Ø/SUB push button and a MOD push button1. Time settings are listed as 1ms, 50ms, 300ms, 750ms and 1023ms, with subdivisions of quarter, eighth, dotted eighth, triplets and sixteenth1. A left footswitch handles Delay/Tap and presets 1 to 41, and a right footswitch handles Hold/Clear1. Keeley Electronics lists selectable Normal and Ping-Pong stereo modes, selectable true or buffered bypass, top-mounted jacks and soft touch relay switching, and says the pedal is made in Oklahoma, USA and draws about 150mA from a 9V DC supply1.
Gearnews reports that the pedal was developed with input from Trey Anastasio's guitar tech, Justin Stabler2. Pedal of the Day reports an Exp/MIDI TRS jack for recalling any of 127 presets and syncing to an external MIDI clock3; Guitar Pedal X lists MIDI compatibility with 72 presets1.
"The RK2000 is only just now officially released!"
Pricing is reported differently. Guitar Pedal X gives $369 for the Standard Edition and the Custom Shop editions, or $420 with a remote footswitch1. Gearnews gives $3952.
Sources (3)
- Guitar Pedal X - GPX Blog - Keeley's Trey Anastasio favoured DM2000 rack unit inspired RK2000 Funk Siren Delay is finally launched, after being teased for a number of weeks, guitarpedalx.com
- Keeley RK2000 Funk Siren Delay: That Phish Delay, gearnews.com
- Keeley Electronics RK2000 Funk Siren Delay - Pedal of the Day, pedal-of-the-day.com