BOSS PX-1 Preamp Pedal

The BOSS PX-1 puts powerful preamp and tone-shaping capabilities into a compact pedalboard format, giving musicians an intuitive way to refine their signal and achieve a more polished, responsive sound.

Designed for flexibility, the PX-1 provides practical control over your tone while integrating easily into a variety of rigs. Whether you're shaping your sound before an amplifier, refining a direct signal, or adding another level of control to a pedalboard setup, the PX-1 offers a compact and dependable solution.

Its straightforward design makes it easy to incorporate into both live and studio environments, while BOSS construction provides the durability musicians have come to expect.

Key Features

• Compact BOSS preamp and tone-shaping pedal
• Designed for flexible signal-chain integration
• Practical controls for shaping and refining your sound
• Useful for live performance, recording, and pedalboard setups
• Rugged BOSS compact-pedal construction
• 9V battery or optional BOSS PSA-series AC adapter

Northeast Music Center

At Northeast Music Center, we look at pedals as part of the entire signal chain—not simply as individual effects. The PX-1 is a useful choice for musicians who want greater control over their core tone in a compact, reliable format.

Specifications Sampling Frequency 48 kHz AD Conversion 24 bits + AF method
AF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters. DA Conversion 32 bits Nominal Input Level INPUT A (MONO), INPUT B: -20 dBu Maximum Input Level INPUT A (MONO), INPUT B: +7 dBu Input Impedance INPUT A (MONO), INPUT B: 1 MΩ Nominal Output Level OUTPUT A (MONO), OUTPUT B: -20 dBu Maximum Output Level OUTPUT A (MONO), OUTPUT B: +7 dBu Output Impedance OUTPUT A (MONO), OUTPUT B: 1 kΩ Recommended Load Impedance OUTPUT A (MONO), OUTPUT B: 10 kΩ or greater Bypass Buffered bypass Controls LEFT knob
CENTER knob
RIGHT knob
Pedal switch Indicator CHECK indicator Display Graphic LCD 128 x 48 dots Connectors INPUT A (MONO) jack, INPUT B jack, OUTPUT A (MONO) jack, OUTPUT B jack: 1/4-inch phone type
CTL1,2/EXP jack: 1/4-inch TRS phone type
DC IN jack
MIDI IN jack: Stereo miniature phone type
USB COMPUTER port: USB Type-C® Bluetooth Profile Support: GATT (MIDI over Bluetooth Low Energy) Power Supply AC adaptor
Supplied from the USB port Current Draw 260 mA (AC adaptor)
420 mA (USB) Accessories AC adaptor
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
Roland Cloud Activation Card Options (sold separately) Footswitch: FS-5U
Dual footswitch: FS-6, FS-7
Expression pedal: FV-500H, FV-500L, EV-30, Roland EV-5
TRS/MIDI connecting cable: BMIDI-5-35, BMIDI-1-35, BMIDI-2-35, BCC-1-3535, BCC-2-3535 Size and Weight Width 73 mm
2-7/8 inches Depth 125 mm
4-15/16 inches Height 56 mm
2-1/4 inches Weight (excluding AC adaptor) 400 g
15 oz