Name: Roland PSB-120 AC Power Adapter | New
SKU: PSB-120-N
Price: 24.99 USD
Availability: InStock

Roland PSB-120 AC Power Adapter | New

SKU: PSB-120-N

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Overview

Overview of Roland PSB-120 AC Power Adapter | New

The Roland PSB-120 AC Power Adapter is a reliable, OEM-quality power supply made especially for a variety of Roland and Boss electrical devices and accessories. It helps shield delicate audio equipment from noise, hum and voltage swings that can deteriorate tone or result in unplanned shutdowns. It is designed to give clean, steady DC power. Its right-angle connector and long cable length make routing on pedalboards, piano stands and drum racks easier, and its lightweight, compact design makes it perfect for both studio racks and gig bags. The PSB-120, an original Roland-branded adapter, is a reliable replacement or spare for keyboards, digital pianos, drum modules, multi-effects and more since it is constructed to strict safety and performance requirements.

Key Features of Roland PSB-120 AC Power Adapter

• Genuine Roland OEM power adapter engineered for compatibility with many Roland and Boss devices, reducing risk of damage compared to generic supplies.

• Regulated DC output (model-specific voltage and current rating) that delivers stable power for audio gear, minimizing hum, noise, and brownouts.

• Universal AC input (typical 100–240V, 50/60 Hz) for use in multiple regions with the appropriate mains cable, ideal for touring musicians and mobile techs.

• Compact, lightweight housing with strain-relieved cable and low-profile plug that fits neatly behind racks and under keyboards.

• Extended DC cable length for flexible placement of gear on stage or in the studio, reducing the need for extension cords and messy power runs.

Benefits of Roland PSB-120 AC Power Adapter

🗹 Protects your sound and your gear that stable, regulated power helps your Roland and Boss instruments perform at their best and reduces the chance of glitches, lockups or premature component wear.

🗹 Reduces noise in your signal chain that a properly designed OEM adapter can significantly cut down on buzz and interference that cheaper third‑party supplies often introduce into audio systems.

🗹 Simplifies live and studio setups with the correct plug, voltage and polarity, the PSB‑120 eliminates guesswork—just plug in, power up and play, without hunting for compatible bricks.

🗹 Reliable spare for gigging musicians keeping a PSB‑120 in your case or tech kit provides peace of mind on stage, at rehearsal or on tour if a main adapter is lost or damaged.

🗹 Ensures full compatibility and safety using the official Roland adapter helps maintain manufacturer support expectations and avoids problems caused by mismatched third‑party power supplies.

Specifications

Specifications for Roland PSB-120 AC Power Adapter | New

Manufacturer	Roland
Manufacturer Part Number	PSB-120
Product Name	Roland PSB-120 AC Power Adapter
Product Type	Power Adapter
Input voltage range	100–240 V AC, 50/60 Hz (universal input)
Output voltage	9 V DC
Output current (max)	2000 mA (2 A)
Output power (max)	18 W (9 V × 2 A, nominal)
Polarity	Sleeve/barrel: positive (+); tip/center: negative (–)
DC connector type	Barrel plug (standard Roland/Boss size, center negative)
Regulation	Regulated DC output for audio equipment
Compatibility notes	Direct replacement for PSB‑1U; also replaces ACB‑120, ACF‑120, ACK‑120, ACI‑120 adapters
Typical supported devices	Wide range of Roland keyboards, digital pianos, drum modules, samplers, interfaces, amps, and Boss processors (e.g., SP‑404SX, GT‑10, VG‑99, TD‑3/4/6/8/11/17/27, many JV/Juno/FP/BR models)
Adapter family	Uses PSB‑1U adapter brick with region‑specific AC cord in PSB‑120 kit
Color	Black
Intended use	OEM power supply for Roland/Boss instruments and accessories

Frequently Asked Questions

Roland PSB-120 AC Power Adapter
Frequently Asked Questions (FAQ's)

What devices are compatible with the Roland PSB-120?

It supports many Roland and BOSS products, including digital pianos, synths, samplers, effect processors and more. Check your device's manual or Roland’s compatibility list.

What voltage and current does it supply?

The PSB-120 provides 9 volts DC at 2000 milliamps (2A).

Is this the same as the Roland PSB-1U?

Yes, the PSB-120 is a direct replacement for the PSB-1U and earlier adapters like ACI, ACB and ACF.

Can I use this adapter internationally?

Yes, it has a 100–240V input, but you’ll need a plug adapter for non-US outlets.

Does it work with BOSS pedals?

Some BOSS multi-effects and processors require this adapter. Standard compact pedals usually use the PSA-series instead.

Is this an original Roland adapter?

Yes, the PSB-120 is a genuine Roland OEM product, not an aftermarket substitute.

Can I use it with non-Roland gear?

Technically yes, if the voltage, polarity, and current match. However, it's optimized for Roland devices.

What kind of plug does it have?

It comes with a standard center-negative barrel connector, commonly used by Roland gear.

Does it include regional plug tips or extensions?

No, this model typically includes a fixed US plug. Use an adapter for international use.

Will it cause noise in my audio setup?

No, it's designed to deliver noise-free power, reducing the risk of audio interference.

Can I leave it plugged in all the time?

Yes, it's built for continuous use, but it's best practice to unplug during long periods of inactivity.

Is it RoHS or safety certified?

Yes, it complies with international safety and environmental standards.

How long is the power cable?

Cable length is typically around 6 feet, giving you room for flexible placement.

Does this adapter get hot?

It may get warm during extended use, which is normal. It includes internal thermal protection.

What happens if I use the wrong adapter?

Using an incorrect adapter can damage your device or cause erratic operation—always match voltage, polarity and current.

Can I power multiple devices with this?

Only if using a powered hub or splitter rated for 9V 2A total draw. Not recommended without proper distribution.

Does it work with Roland’s newer digital pianos?

Some do, but newer models may use a different voltage. Always check your specific model.

Is this adapter regulated?

Yes, it’s a regulated power supply, ensuring a steady 9V output under all conditions.

Can the PSB-120 be used as a replacement for damaged third-party adapters?

Yes, as long as the voltage (9V), current (2A or more), polarity (center-negative), and connector type match your device’s requirements. However, using the Roland PSB-120 ensures safer, cleaner power with no risk of incompatibility—especially important for sensitive audio gear.