10 isolated pedal power supplies for mixed effects

Our top 10, at a glance.

Choose an isolated pedal power supply whose outputs safely match every effect pedal’s voltage, current, polarity, connector, and mounting needs.

#1Voodoo Lab Pedal Power 3 PLUSBest high-capacity expandable option
#2CIOKS DC7Best flexible-voltage foundation
#3Voodoo Lab Pedal Power 3Best balanced eight-output system
#4CIOKS SOLBest compact multi-voltage option
#5Voodoo Lab Pedal Power X8Best compact eight-output expansion
#6Voodoo Lab Pedal Power X4Best for a small four-pedal board
#7Voodoo Lab Pedal Power MONDOBest legacy large-board layout
#8Voodoo Lab Pedal Power 4x4Best mixed-current legacy layout
#9Voodoo Lab Pedal Power 2 PLUSBest for voltage-sag controls
#10Voodoo Lab Pedal Power ISO-5Best compact legacy mixed-voltage layout

All 10 picks, in order.

#1
Best high-capacity expandable option
Voodoo Lab Pedal Power 3 PLUS
Pedalboards whose output count and electrical requirements match supplies up to 500 ma from each output; ten are fixed at 9v and two switch between 9v and 12v.
Why it fits
- Supplies up to 500 mA from each output; ten are fixed at 9V and two switch between 9V and 12V. [1]
- Uses a low-profile aluminum enclosure with twelve galvanically isolated DC outputs and two X-LINK expansion ports. [2]
Before you choose
- Accepts 100–240V AC and uses center-negative 5.5-by-2.1 mm output connectors; higher voltages require the documented optional doubler cable. [3]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power 3 PLUS · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#2
Best flexible-voltage foundation
CIOKS DC7
Pedalboards whose output count and electrical requirements match each outlet selects 9v, 12v, 15v, or 18v and supplies up to 660 ma at 9v.
Why it fits
- Each outlet selects 9V, 12V, 15V, or 18V and supplies up to 660 mA at 9V. [4]
- Fits seven isolated outlets and a 24V expansion outlet into a low-profile metal enclosure. [5]
Before you choose
- Uses universal mains input and can add compatible CIOKS expansion units through its 24V outlet. [6]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: DC7 · Current official US product-page configuration reviewed for this comparison · US
Check current details at CIOKS ↗
Find on Amazon ↗
#3
Best balanced eight-output system
Voodoo Lab Pedal Power 3
Pedalboards whose output count and electrical requirements match each output supplies up to 500 ma, with six fixed at 9v and two switchable between 9v and 12v.
Why it fits
- Each output supplies up to 500 mA, with six fixed at 9V and two switchable between 9V and 12V. [7]
- Provides eight isolated high-current outputs in a lightweight low-profile aluminum housing. [8]
Before you choose
- Accepts 100–240V AC and includes X-LINK expansion ports for compatible Pedal Power X4 and X8 units. [9]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power 3 · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#4
Best compact multi-voltage option
CIOKS SOL
Pedalboards whose output count and electrical requirements match every outlet selects 9v, 12v, 15v, or 18v and supplies up to 660 ma at 9v.
Why it fits
- Every outlet selects 9V, 12V, 15V, or 18V and supplies up to 660 mA at 9V. [10]
- Uses a compact 130-by-88-by-25.4 mm listed enclosure with five isolated DC outlets. [11]
Before you choose
- Accepts 100–240V AC, uses center-negative RCA-to-barrel Flex cables, and includes mounting hardware. [12]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: SOL · Current official US product-page configuration reviewed for this comparison · US
Check current details at CIOKS ↗
Find on Amazon ↗
#5
Best compact eight-output expansion
Voodoo Lab Pedal Power X8
Pedalboards whose output count and electrical requirements match each output delivers up to 500 ma for standard or high-current pedals.
Why it fits
- Each output delivers up to 500 mA for standard or high-current pedals. [13]
- Packages eight isolated 9V outputs in a compact low-profile expansion-friendly enclosure. [14]
Before you choose
- Can operate from its specified 12V adapter or as an X-LINK expansion unit for compatible Pedal Power supplies. [15]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power X8 · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#6
Best for a small four-pedal board
Voodoo Lab Pedal Power X4
Pedalboards whose output count and electrical requirements match each output supplies up to 500 ma for analog pedals or higher-current digital effects.
Why it fits
- Each output supplies up to 500 mA for analog pedals or higher-current digital effects. [16]
- Provides four isolated 9V outputs in a small low-profile enclosure. [17]
Before you choose
- Can run from its specified 12V adapter or connect as an X-LINK expansion unit to compatible Voodoo Lab supplies. [18]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power X4 · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#7
Best legacy large-board layout
Voodoo Lab Pedal Power MONDO
Pedalboards whose output count and electrical requirements match mixes standard 9v outputs, higher-current outputs, switchable 9v/12v outputs, and voltage-sag controls.
Why it fits
- Mixes standard 9V outputs, higher-current outputs, switchable 9V/12V outputs, and voltage-sag controls. [19]
- Combines twelve isolated outputs with an internal fan and a large chassis intended for substantial pedalboards. [20]
Before you choose
- Supports a broad mix of battery-style, high-current digital, and selected higher-voltage pedals when matched to the documented output. [21]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power MONDO · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#8
Best mixed-current legacy layout
Voodoo Lab Pedal Power 4x4
Pedalboards whose output count and electrical requirements match combines four standard-current 9v outputs with four higher-current output sections for mixed analog and digital effects.
Why it fits
- Combines four standard-current 9V outputs with four higher-current output sections for mixed analog and digital effects. [22]
- Uses eight isolated outputs in a metal enclosure with temperature-controlled fan cooling. [23]
Before you choose
- Includes switchable 9V/12V capability on documented outputs; every pedal must be matched to voltage, current, and polarity. [24]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power 4x4 · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#9
Best for voltage-sag controls
Voodoo Lab Pedal Power 2 PLUS
Pedalboards whose output count and electrical requirements match combines standard 9v outputs, two sag controls for reduced-voltage simulation, and documented switchable-voltage output modes.
Why it fits
- Combines standard 9V outputs, two SAG controls for reduced-voltage simulation, and documented switchable-voltage output modes. [25]
- Provides eight isolated outputs in a pedalboard-mountable metal enclosure. [26]
Before you choose
- Targets common center-negative battery-powered pedals, while higher-current or alternate-voltage pedals require exact output matching. [27]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power 2 PLUS · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗
#10
Best compact legacy mixed-voltage layout
Voodoo Lab Pedal Power ISO-5
Pedalboards whose output count and electrical requirements match combines standard 9v power, a higher-current section, and a dedicated higher-voltage output for a mixed compact rig.
Why it fits
- Combines standard 9V power, a higher-current section, and a dedicated higher-voltage output for a mixed compact rig. [28]
- Uses a compact metal chassis with five isolated output sections for a smaller board. [29]
Before you choose
- Pedals must be matched to the labeled voltage, available current, connector size, and center-negative polarity of the supplied cables. [30]
Check before buying:
- Verify each pedal’s voltage, current draw, polarity, connector size, isolation need, and any current-doubling or voltage-doubling cable requirement before connecting it.
Model: Pedal Power ISO-5 · Current official US product-page configuration reviewed for this comparison · US
Check current details at Voodoo Lab ↗
Find on Amazon ↗

The details, side by side.

Published specifications and features
What matters	#1Voodoo Lab Pedal Power 3 PLUS	#2CIOKS DC7	#3Voodoo Lab Pedal Power 3	#4CIOKS SOL	#5Voodoo Lab Pedal Power X8	#6Voodoo Lab Pedal Power X4	#7Voodoo Lab Pedal Power MONDO	#8Voodoo Lab Pedal Power 4x4	#9Voodoo Lab Pedal Power 2 PLUS	#10Voodoo Lab Pedal Power ISO-5
Workflow	Supplies up to 500 mA from each output; ten are fixed at 9V and two switch between 9V and 12V. [1]	Each outlet selects 9V, 12V, 15V, or 18V and supplies up to 660 mA at 9V. [4]	Each output supplies up to 500 mA, with six fixed at 9V and two switchable between 9V and 12V. [7]	Every outlet selects 9V, 12V, 15V, or 18V and supplies up to 660 mA at 9V. [10]	Each output delivers up to 500 mA for standard or high-current pedals. [13]	Each output supplies up to 500 mA for analog pedals or higher-current digital effects. [16]	Mixes standard 9V outputs, higher-current outputs, switchable 9V/12V outputs, and voltage-sag controls. [19]	Combines four standard-current 9V outputs with four higher-current output sections for mixed analog and digital effects. [22]	Combines standard 9V outputs, two SAG controls for reduced-voltage simulation, and documented switchable-voltage output modes. [25]	Combines standard 9V power, a higher-current section, and a dedicated higher-voltage output for a mixed compact rig. [28]
Form factor	Uses a low-profile aluminum enclosure with twelve galvanically isolated DC outputs and two X-LINK expansion ports. [2]	Fits seven isolated outlets and a 24V expansion outlet into a low-profile metal enclosure. [5]	Provides eight isolated high-current outputs in a lightweight low-profile aluminum housing. [8]	Uses a compact 130-by-88-by-25.4 mm listed enclosure with five isolated DC outlets. [11]	Packages eight isolated 9V outputs in a compact low-profile expansion-friendly enclosure. [14]	Provides four isolated 9V outputs in a small low-profile enclosure. [17]	Combines twelve isolated outputs with an internal fan and a large chassis intended for substantial pedalboards. [20]	Uses eight isolated outputs in a metal enclosure with temperature-controlled fan cooling. [23]	Provides eight isolated outputs in a pedalboard-mountable metal enclosure. [26]	Uses a compact metal chassis with five isolated output sections for a smaller board. [29]
Compatibility	Accepts 100–240V AC and uses center-negative 5.5-by-2.1 mm output connectors; higher voltages require the documented optional doubler cable. [3]	Uses universal mains input and can add compatible CIOKS expansion units through its 24V outlet. [6]	Accepts 100–240V AC and includes X-LINK expansion ports for compatible Pedal Power X4 and X8 units. [9]	Accepts 100–240V AC, uses center-negative RCA-to-barrel Flex cables, and includes mounting hardware. [12]	Can operate from its specified 12V adapter or as an X-LINK expansion unit for compatible Pedal Power supplies. [15]	Can run from its specified 12V adapter or connect as an X-LINK expansion unit to compatible Voodoo Lab supplies. [18]	Supports a broad mix of battery-style, high-current digital, and selected higher-voltage pedals when matched to the documented output. [21]	Includes switchable 9V/12V capability on documented outputs; every pedal must be matched to voltage, current, and polarity. [24]	Targets common center-negative battery-powered pedals, while higher-current or alternate-voltage pedals require exact output matching. [27]	Pedals must be matched to the labeled voltage, available current, connector size, and center-negative polarity of the supplied cables. [30]

Build an electrical requirement list first

Count outputs only after recording every pedal’s voltage, current draw, polarity, and connector. An available socket is not safe unless all of those requirements match. [3] [6] [9] [12] [15] [18] [21] [24] [27] [30]

Separate compact and expandable rigs

Five-output supplies can suit small boards, while eight- and twelve-output systems reduce daisy chains. Expansion ports matter when the pedalboard is likely to grow. [2] [5] [8] [11] [14] [17] [20] [23] [26] [29]

Use selectable voltage deliberately

Selectable 9V, 12V, 15V, and 18V outputs add flexibility, but the switch must match the connected pedal. Current or voltage combining should use only manufacturer-documented cables and combinations. [1] [4] [7] [10] [13] [16] [19] [22] [25] [28]

How we compared.

Source-based desk research from ten current official manufacturer product pages reviewed September 14, 2026. Ranking favors flexible isolated outputs, clear electrical specifications, useful output counts, and practical expansion. Manufacturer specifications do not imply hands-on testing, measured noise, universal pedal compatibility, or electrical approval for an unverified pedal.

How we choose