BOSS PH-3 Phase Shifter effects pedal

Official product image

Image: BOSS / Roland Corporation · Source

BOSS

PH-3 Phase Shifter

PhaserCurrent

Digital phase shifter with selectable stages, Rise/Fall modes, expression control, and tap tempo.

Quick specs

Power
9 V
Current draw
50 mA
Dimensions (in)
2.87 × 5.13 × 2.37 in
Weight (lb)
0.94 lb
Bypass
Buffered
Inputs
1× 1/4-inch phone Mono
Outputs
1× 1/4-inch phone Mono

Compare this pedal

Pick a second pedal to see the two side by side.

Controls

  • STAGE

  • RES

  • DEPTH

  • RATE

Power requirements

Voltage
9 V
Power type
DC
Current draw
50 mA
Battery operation
Yes

Dimensions & weight

Width
2.87 in
Depth
5.13 in
Height
2.37 in
Weight
0.94 lb

Connections

Inputs
1× 1/4-inch phone Mono
Outputs
1× 1/4-inch phone Mono
INPUT 1/4-inch
Present
OUTPUT 1/4-inch
Present
EXP/CTL TRS 1/4-inch
Present
DC IN
Present

Features

Bypass
Buffered
Signal path
Digital
MIDI
No
Expression
Yes
Tap tempo
Yes
Footswitches
1
SKU
PH-3
Version
Current production

Documentation

Manufacturer page
Visit
Manual
Download
Specs verified
2026-09-22

Know something we're missing?

Help us complete The Pedal Database. Submit a photo, manual, manufacturer link, catalog scan, specification or correction.

Where to buy

No retailer listings recorded yet.

Retailer links may be affiliate links. Prices are indicative and set by the retailer.

Related pedals

Caroline Guitar Company Arigato guitar effects pedal

Caroline Guitar Company

Arigato

Phaser—