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Description

The DD-8 is a stompbox-sized delay in the standard BOSS compact format. Its Mode knob selects among eleven types: Analog, Standard, Tape, Warm, Reverse, +RV (delay with reverb), Shimmer, Mod, Warp, GLT (glitchy rhythmic delay) and Loop. Delay time reaches up to 10 seconds with tap tempo, and a Carryover switch decides whether repeats keep ringing or cut off when the effect is bypassed.

The looper records up to 40 seconds in mono (20 seconds with a stereo input) and allows unlimited overdubbing. It can be run from the pedal switch alone, or with one or two external footswitches for stop and clear functions. A Twist function is available in each delay mode through an external footswitch.

Two input and two output jacks provide true stereo operation, with independent, panning and wide stereo output modes. The jacks adapt to the way they are patched, supporting mono, stereo, wet/dry and wet-only setups. A TRS jack accepts a footswitch or an expression pedal for level, feedback or time control. Power comes from a 9 V battery or an optional PSA series adaptor.

Specifications

Brand
Boss
Model
DD-8
Category
Effects and pedals

Audio

Nominal input level
-20 dBu
Input impedance
1 M ohm
Nominal output level
-20 dBu
Output impedance
1 k ohm
Recommended load impedance
10 k ohms or greater
Bypass
Buffered bypass
Delay modes
11
Maximum delay time
Up to 10 seconds
Looper recording time
Up to 40 seconds (mono input), 20 seconds (stereo input)

Controls

Knobs
MODE, TIME, FEEDBACK, E.LEVEL (Effect Level)
Switches
CARRYOVER switch, pedal switch
Indicator
CHECK indicator (battery check)

Connectivity

Inputs
INPUT-A (MONO) / INPUT-B jack: 1/4-inch phone type
Outputs
OUTPUT-A (MONO) / OUTPUT-B jack: 1/4-inch phone type
Control jack
TEMPO/EXP jack: TRS 1/4-inch phone type
DC input
DC IN jack

Power

Power supply
Alkaline battery (9 V, 6LR61); AC adaptor (PSA series, sold separately)
Current draw
100 mA
Battery life (continuous use)
Alkaline: approx. 3.5 hours

Physical

Width
73 mm (2-7/8 inches)
Depth
129 mm (5-1/8 inches)
Height
59 mm (2-3/8 inches)
Weight (including battery)
440 g (1 lb)

In the box

Included
Leaflet, dry battery (9 V, 6LR61)
Options (sold separately)
PSA series AC adaptor; FS-5U, FS-6, FS-7 footswitches; FV-500H, FV-500L, EV-30, Roland EV-5 expression pedals
Warranty
BOSS five-year warranty

Documents

PDF User manualPDF · by the brand

Questions

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Data: boss.info, tamsta.com; photos: Boss product page · updated 2026-10-26 · Report a mistake