The Digitech RP350 Modeling Guitar Processor is a digital unit designed to enhance the sound of acoustic electric guitars, bass guitars, and electric guitars. Made by DigiTech in the United States, this processor allows users to access a wide range of effects and tones to customize their guitar playing experience. With its versatile features and high-quality construction, the RP350 is a valuable tool for musicians looking to expand their sonic palette and achieve professional-level sound.
Used. Untested, working condition unknown
Key Features
AudioDNA2 DSP Chip: Provides four times the processing power of previous generations for more accurate tone and dynamic response.
Extensive Libraries: Includes 70 factory and 70 user presets, plus 30-preset Quick Start Tone and Effects Libraries for easy sound selection.
Built-in Tools: Features a 60-pattern drum machine, a 5-second delay, a chromatic tuner, and a "Learn-A-Lick" phrase sampler.
Expression Pedal: An integrated metal pedal controls parameters like wah, volume, and whammy in real-time.
Connectivity: Offers balanced XLR stereo outputs for mixers, 1/4" stereo outputs for amps, and a 2x2 USB interface for direct recording to PC or Mac.
Typical Market Value
Based on recent listings (as of April 2026), the price for a used
Digitech RP350
varies significantly by condition and included accessories:
Budget/Good Deal: $40.00 – $50.00
Average Market Price: $80.00 – $95.00
High End/Mint Condition: $115.00 – $135.00
How to Use the
RP350
Connections: Plug your guitar into the Input and connect the Outputs to your amplifier or mixer.
Power: Connect the required 9V DC power supply (PS0913B) to turn it on, as it has no physical power switch.
Basic Operation:
Select Presets: Use the Up/Down footswitches to scroll through stored sounds.
Edit Sounds: Use the Tone Library and Effects Library knobs to quickly find new combinations, then fine-tune with the numbered edit knobs.
Bypass/Tuner: Press both Up/Down footswitches simultaneously to bypass effects; hold them for 2 seconds to enter Tuner mode.
Computer Integration: Use a USB cable to connect to a computer and use the DigiTech X-Edit software to easily customize and archive your presets.