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