--- product_id: 349270397 title: "Roland PSA-120S" brand: "boss" price: "NT$4259" currency: TWD in_stock: true reviews_count: 5 category: "Boss" url: https://www.desertcart.tw/products/349270397-roland-psa-120s store_origin: TW region: Taiwan --- # LED power status indicator 10 ft extended power cable 0.5A output current Roland PSA-120S **Brand:** boss **Price:** NT$4259 **Availability:** ✅ In Stock ## Summary > ⚡ Power your pedalboard like a pro — never miss a beat! ## Quick Answers - **What is this?** Roland PSA-120S by boss - **How much does it cost?** NT$4259 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/349270397-roland-psa-120s) ## Best For - boss enthusiasts ## Why This Product - Trusted boss brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable original BOSS quality trusted by pros and students alike - • **Extended Reach:** Nearly 10-foot cable for flexible pedalboard setups - • **Space-Smart Design:** Slim profile avoids blocking adjacent outlets - • **Visual Power Assurance:** LED indicator confirms on/off status at a glance - • **Universal BOSS Compatibility:** Seamlessly powers most BOSS pedals without hassle ## Overview The BOSS Roland PSA-120S is a reliable 9V, 0.5A power adapter designed specifically for BOSS pedals. Featuring a nearly 10-foot cable and an LED indicator for quick power status checks, its slim design prevents blocking neighboring outlets. Trusted by musicians worldwide, it ensures uninterrupted performance with original BOSS durability and compatibility. ## Description Brand: R O L A N D Review: Working good. Review: The recommended adapter for most Boss products. I got it for my Boss DB-90 Dr. Beat Metronome. Now no worries about batteries. It is well built and hardy product. An original Boss. Highly recommended for professional musicians and students. ## Features - Works with most BOSS pedals - Industry Standard BOSS power supply - LED indicator for quick visual verification of on/off status Power cable length is increased to almost 10 feet New design which does not cover adjacent power outlets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0012BPMHW | | Additional Features | Feet | | Amperage | 0.5 Amps | | Brand | BOSS | | Built-In Media | Power Cord | | Color | Black | | Compatible Devices | Brand Compact and Twin Pedals BOSS | | Compatible Phone Models | PSA 120S | | Connectivity Technology | USB | | Connector Type | 2-Pin | | Current Rating | 500 Milliamps | | Customer Package Type | Protective Packaging | | Customer Reviews | 4.7 4.7 out of 5 stars (1,689) | | Enclosure Material | Plastic | | Frequency Range | 60 Hz | | Global Trade Identification Number | 00761294402450 | | Input Voltage | 120 Volts | | Item Weight | 0.15 Kilograms | | Main Power Connector Type | 2 pin | | Manufacturer | BOSS | | Model Number | PSA-120S | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Current | 0.5 Amps | | Output Voltage | 9 Volts | | Portable | Yes | | Power Plug | Type B - 3 pin (North American & Japanese) | | Power Source | Corded Electric | | Specification Met | Cec | | UPC | 686751478659 750408391629 602003603723 887469894186 333335560018 761294015735 761294507902 761294402450 | | Unit Count | 1.0 Count | | Wattage | 120 watts | ## Product Details - **Amperage:** 0.5 Amps - **Brand:** BOSS - **Colour:** Black - **Compatible devices:** Brand Compact and Twin Pedals BOSS - **Compatible phone models:** PSA 120S - **Connector type:** 2-Pin - **Included components:** Power Cord - **Input voltage:** 120 Volts - **Special features:** Feet - **Wattage:** 120 watts ## Images ![Roland PSA-120S - Image 1](https://m.media-amazon.com/images/I/71ZJg-1LbXL.jpg) ## Questions & Answers **Q: It would be a good idea to add the specifications of this product ... volts, mA, polarity, etc** A: 9 volts DC (direct current) output. 500ma. Regulated. Tip negative. Sleeve positive. 3 meter cord. Status light flashes to indicate grounding problems. "Space saving" design compared to traditional adapters to allow multiple adapters to connect adjacent to each other on common outlet strips. **Q: Is this genuine Boss/Roland product or 3rd party copy?** A: The box says "Roland Corporation" and "Made in China". If this is a 3rd party copy how would I know? It sure looks like its genuine to me. **Q: Will BossPSA-120S power Adapter power Boss Digital Recorder MICRO BR (requires 3v dc)** A: It works on the Boss Roland BR-80 Portable Digital Recorder (http://smile.amazon.com/gp/product/B0052W4188/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1). I also recommend this case to protect it while carrying it around (http://smile.amazon.com/gp/product/B002VPE1QG/ref=oh_details_o00_s00_i01?ie=UTF8&psc=1). **Q: Does it work on the boss ve-20 vocal processor ?** A: YES, that why I bought mine. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***O on 23 April 2021* Working good. ### ⭐⭐⭐⭐⭐ Review *by J***R on 31 March 2017* The recommended adapter for most Boss products. I got it for my Boss DB-90 Dr. Beat Metronome. Now no worries about batteries. It is well built and hardy product. An original Boss. Highly recommended for professional musicians and students. ### ⭐⭐⭐⭐⭐ Review *by B***E on 19 February 2026* Works perfectly. ## Frequently Bought Together - Boss PSA-120S Power Adapter - Boss VE-22 Vocal Effects and Looper Pedal - D'Addario Accessories Guitar Pedal Power Supply - DC 9V Power Cord - 9V Power Supply for Guitar Pedals - Pedalboard Power Supply - PW-CT-9V --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/349270397-roland-psa-120s](https://www.desertcart.tw/products/349270397-roland-psa-120s) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-04-22*