Sound Master Powerful Music Information System Electric Keyboard

Up for sale is a pre-owned vintage Sound Master "Powerful Music Information System" Electronic Keyboard. Tested and functional, this lightweight retro electronic keyboard is packed with built-in instrument tones, rhythm patterns, demo songs, and percussion pads.

Condition Details

• Overall Condition: Used – Functional / Tested.
• Functional Note: Tested and confirmed working using a standard universal 9V DC adapter / battery setup. Please note: A 9V power supply adapter is NOT included with this sale.
• Cosmetic Condition: Shows light signs of age and prior use (minor surface scuffs on the plastic housing and keys). Control graphics and labels are clear and readable.

What is Included

• 1 x Sound Master Electronic Keyboard Main Unit(Note: Requires 9V DC power supply or batteries—neither included).

Key Features

• Built-in Sounds & Rhythms: Features a retro sound generator with multiple preset voices, backing rhythms, and demo tracks.
• Integrated Speaker: Allows for direct plug-and-play practice without needing external amplifiers.
• Retro / Circuit Bending Candidate: Popular among lo-fi synth collectors and circuit-bending hobbyists for producing classic vintage 8-bit style tones.

Technical Specifications

• Brand: Sound Master
• Model: Powerful Music Information System Keyboard
• Power Requirement: 9V DC (Center-Negative standard jack) or AA Batteries (Adapter Not Included)
• Finish: Black / Gray Plastic Housing

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Located in Dobbs Ferry, NY, The Muzic Store INC has been family-owned and operated since 1982, proudly serving Westchester County and beyond for over 43 years. We’re more than just a music shop — we’re a community of musicians, gear lovers, and industry experts who live and breathe music every day.

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