# Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative

Dexpt 9V center-negative pedal power supply with a 5.9 ft cable for flexible guitar pedalboard, studio, or practice setups.

- [Original product page](https://www.ofertitastop.com/us/product/dexpt-psd-12w-0901000us-9v-guitar)
- [View offer](https://www.ofertitastop.com/us/visit/dexpt-psd-12w-0901000us-9v-guitar)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-24T02:07:17.741Z
- Brand: Dexpt
- Model: PSD-12W-0901000US
- MPN: DU00043
- SKU: ofertitastop-us-150848
- Category: Electronics > Audio
- Source store: amazon US
- Active deal: Yes
- Price: 8.09 USD
- Previous price: 8.99 USD
- Discount: 10%
- Rating: 4.7 / 5
- Reviews: 107

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

Some pedal setups call for a straightforward replacement power supply, others need a little extra cable reach to fit a pedalboard or studio desk. This Dexpt adapter provides DC 9V power through a 5.9 ft cord, giving you flexibility when positioning compatible gear.

Need a replacement for a Boss PSA adapter or power for a compatible pedal? Its center-negative 5.5 x 2.1 mm barrel connector matches a range of listed Boss models, including the ME-90, RC-5, GT-1, and DS-1.

Could one compact supply cover your everyday setup and serve as a backup? Its mini design and built-in protection make it practical for home practice, studio use, or a stage rig, provided the device matches the power requirements below.

## Technical details

- Type: DC power supply for guitar pedals and compatible devices
- Output: 9V DC, 1A / 1000mA
- Input: 100–240V, 50–60Hz
- Connector: 5.5 x 2.1 mm barrel plug, center-negative polarity
- Cable length: 5.9 ft
- Plug: Type A, US style
- Protection: Over-voltage, over-current, short-circuit, and overheating protection
- Safety listing: UL-listed
- What’s included: One power supply

It is intended for devices that require DC 9V, center-negative polarity, and 1A or less. The listed Boss compatibility includes models such as the ME-80, RC-30, RC-505, GT-10, GT-100, and GT-1B. It is also described as compatible with selected Roland, DigiTech, Zoom, Casio, and other 9V DC devices. Match the pedal’s voltage, current requirement, plug size, and polarity before connecting it, it is not for 9V AC, center-positive devices, or equipment requiring more than 1A.

## Getting the most from it

The 5.9 ft cable offers room to place a pedal where it fits your playing or recording layout, without positioning it right beside the outlet. That can be useful when arranging a pedalboard, setting up at a practice desk, or keeping a compatible effects unit powered in a studio. The manufacturer describes the supply as low-noise and says its protections help guard against electrical issues during use.

For a simple replacement, compare the requirements printed on your pedal or its original adapter with this unit’s 9V DC output, center-negative polarity, connector size, and 1A capacity. Buyers report using it with different guitar pedals, including the Boss GT-100 and Metal Zone. These are customer impressions, check each device’s own requirements for a suitable match.

## Box contents

The package includes one 9V, 1A power supply adapter. Use it as a replacement for a compatible adapter or as an additional supply for a matching pedal setup.

## What to clarify

**Which Boss pedals are listed as compatible?** Examples include the ME-90, ME-80, RC-5, RC-30, RC-505, GT-1, GT-10, GT-100, GT-1B, and DS-1. Compatibility depends on matching the pedal’s electrical requirements and connector.

**What connector and polarity does it use?** It has a 5.5 x 2.1 mm barrel plug with center-negative polarity. Check that your device uses the same size and polarity before plugging it in.

**Can it power a 9V pedal that draws more than 1A?** No. The listed output is 1A, and the adapter is intended for compatible DC 9V devices requiring 1A or less.

## Final verdict

For players who need a compact, corded 9V supply for a compatible pedal, this Dexpt adapter brings together a center-negative barrel connector, a 5.9 ft cable, and documented protection features. Its broad list of compatible pedal models makes it especially useful as a replacement or an extra supply for a matching home, studio, or stage setup.

## Images

![Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative — 1](https://www.ofertitastop.com/i/ZjN1QMLhFrqDEGbjMDSxylmstr0r7Ayn5da1Y-Mz-_rNfizKOKGU95GOET8shzV-B2jZH9ZxTSf7lHI9W-XUL8ZsEvZrbCZEJigsWfiK2P9255QavGyu8b5r1A.jpg)

![Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative — 2](https://www.ofertitastop.com/i/GVz3pgvTmBSN_ZbMhzaMy16zavUGWIumdf56NyU4xdpHunybtWr7T0QmrEF0uYkuqjkGHJm8T_1fWQJhVdr4zafDYiZgJ0XVLI6Ic-dgGM_T6Rhk5P3F-ubmig.jpg)

![Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative — 3](https://www.ofertitastop.com/i/7ApgScweBL-SSIoPfhLSQU6Ljntw4O0LPQYxLQm8ZTkY7DAwSprySxeBH53d6BBZPVt38gdW1A_jp-udTxxwDdrZR643o8EJ7j27uiAG54yBKU0jC_aBHBGmcw.jpg)

![Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative — 4](https://www.ofertitastop.com/i/0semH5Tt-CM7W5GcnjfhlaFUVyxcqjPCUGpz2CPA1ZdGXKqNEzWkUzGsyHdMhQ-h_JBSBy670bOfL7xMt9y_rASfHikO1D9SLbsEIackacNx4eaFLPoYgfc8Jg.jpg)

![Dexpt PSD-12W-0901000US 9V Guitar Pedal Power Supply, Center-Negative — 5](https://www.ofertitastop.com/i/XPYN8J23A-z6Am6SuYXVJOnAqFSPqKp797HesVeaKd9olzpHbmKQkr_oheHLlt2sxlwWxDZCt04mHGOEd59e9l_JDv-gt6wu7vZO7_444ecThxjgQaqX7Jh1yg.jpg)