Security-01 9v 1a+3 9V 1A Guitar Pedal Power Supply

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Product guide

Security-01 9v 1a+3 9V 1A Guitar Pedal Power Supply

Guitar Supply: The Security-01 9v 1a+3 is a 9V DC power adapter with a three-way daisy-chain cable for powering compatible effects pedals. Its listed output is limited to 1A total, so check each device’s voltage, polarity, plug size and current needs before connecting several pedals.

At a glance

One adapter and a three-way daisy-chain cable are listed as included, allowing one compatible supply to connect up to three pedals.
The adapter is specified for 9V DC, tip-negative devices and a 5.5mm x 2.1mm plug.
The stated input range is AC 100-240V, and the total output is rated at 1A.

Price

$4.99Save 50%

Reference price: ~~$9.99~~

Price checked: Nov 12, 2026

View offer

Often bought together

Voltrish 3-Pack Guitar Pedal Cables, 5-Inch Right-Angle 1/4" TS Patch Cords | 3 flat 5-inch cables with dual shielding, nickel 1/4" TS plugs and strain relief for compact guitar or bass pedalboards.

$5.79

Pros and cons

Pros

Three-way daisy chaining can reduce the number of separate wall adapters needed for a small compatible pedal setup.
The 6.8-foot adapter cord and 1-foot branches give some flexibility in placing connected pedals.

Cons

The total output is 1A, which must be shared across connected devices and may not cover the combined current requirements of some pedal setups.

Technical specifications

14 specifications

Identity
Brand	Security-01
Model	9v 1a+3

Power and connection
Input	AC 100-240V 50/60 Hz
Output	DC 9V 1A(Compatible with 1000mA/850mA/800mA/500mA)
Polarity	Tip Negative(-)
Rated wattage	9 watts
Connector	2-Pin
Connection type listed	AC to DC
DC plug size	5.5mm x 2.1mm

Cables and functions
Power cord length	6.8FT DC power cord
Daisy-chain cable length	1FT for Each daisy chain cord
Total cable length	7.8FT total
Daisy-chain outputs	3 Ways Design: Simultaneously power 3 guitar pedals
Protection feature	Short Circuit Protection

What to know before buying

Listing details to confirm

The listing gives a 2-year warranty in feature text but also lists a 1-year warranty description. It also describes compatible equipment broadly, including keyboards, while the explicit package contents name only an adapter and three daisy-chain cables. Verify the selected listing and that each device uses 9V DC, tip-negative polarity, the stated plug size and a combined draw within 1A.

What’s in the box

1 adapterIncluded
3 daisy-chain cablesIncluded
KeyboardCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Guitarists powering up to three compatible 9V tip-negative pedals whose combined current draw is within 1A.
Buyers seeking a wall adapter with a multi-branch cable rather than a separate adapter for each compatible pedal.

Less suited to

Setups whose connected devices together require more than 1A.
Devices that require a different voltage, polarity or barrel-plug size.

Security-01 9v 1a+3 9V 1A Guitar Pedal Power Supply · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 99 ratings

5 stars74%74%
4 stars14%14%
3 stars4%4%
2 stars5%5%
1 star3%3%

Customer feedback generally reports that the supply works, including a mention of powering a Boss GT-1B Bass Effects Processor. Quality impressions are mixed, with some describing it as cheap. That feedback may matter if durability is a priority, while the listed 1A output and tip-negative specification are the practical checks for compatibility.

Positive themes

Some customers report that the supply works, with one noting use with a Boss GT-1B Bass Effects Processor.

Mixed feedback

Quality impressions are mixed, with some customers describing it as cheap.

Frequently asked questions

How many pedals can this supply connect?

The listing describes a three-way daisy chain for up to three pedals. The total output is 1A, so confirm their combined current draw is within that limit.

What polarity and plug does it use?

It is listed as tip negative with a 5.5mm x 2.1mm DC plug. Check your device’s requirements before use.

Does the package include the daisy-chain cable?

The stated contents list one adapter and three daisy-chain cables. The listing’s compatible-equipment claims do not establish that a keyboard or other device is included.

What warranty period is listed?

The listing is inconsistent: feature text states a 2-year warranty, while the warranty description says 1-year.