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Boss SYB-5 Bass Synthesizer

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Boss SYB-5 Bass Synthesizer

Boss Bass Synthesizer Pedal

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Product Description for the Boss SYB-5 Bass Synthesizer

A Fatter, Funkier Pedal for Bassists

The BOSS SYB-3 was the world’s first bass synthesizer to be packed into a compact pedal, and it found favor with experimentalists and tone aficionados alike. Today, the next-generation bass-synth pedal has arrived: the SYB-5. Utilizing the latest in DSP technology, the SYB-5 faithfully reproduces the classic sound characteristics of analog synthesizers with enhanced punch and power.

Enhanced Sound with The Latest DSP

All of the 11 internal synth sounds have been markedly refined and enhanced to produce a fatter, more cutting sound than ever. The sounds are built on variations of three oscillator Waves (Saw, Square, Pulse) and filters that modulate according to the envelope and LFO changes you apply. You won’t believe how much synth-bass beef can come from such a small pedal.

Enhanced Playability Via External Control

An external pedal input jack has been added to the SYB-5 for connecting an EV-5 Expression Pedal (sold separately), which allows you to control filter cutoff and LFO rate in real time with your foot. In Modes 1−9 you can use the SYB-5’s onboard pedal to hold a note while playing a bass phrase over it.


  • 11 DSP variations of saw, square, and pulse synth waves
  • Enhanced Wave Shape mode provides sharper sounds
  • Hold notes with the onboard pedal and jam over the top
  • Control filter cutoff and LFO rate via EV-5 Expression Pedal (sold separately)

Nominal Input Level : -20 dBu

Input Impedance : 1 M ohm

Nominal Output Level : -20 dBu

Output Impedance : 1 k ohm

Recommended Load Impedance : 10 k ohms or greater

Bypass : Buffered bypass


  • MODE knob
  • DECAY/RATE knob
  • FREQ/RES(Frequency/Resonance) knob
  • EFFECT/DIRECT(Effect Level/Direct Level) knob
  • Pedal switch

Indicator : CHECK indicator (Used for indication of check battery)


  • INPUT jack : 1/4-inch phone type
  • OUTPUT A(MONO)/OUTPUT B jack : 1/4-inch phone type
  • EXP jack : 1/4-inch stereo phone type
  • DC IN jack

Power Supply : Alkaline battery (9 V, 6LR61) or Carbon-zinc battery (9 V, 6F22)

Current Draw : 50 mA

Expected Battery Life Under Continuous Use

  • Alkaline : Approx. 6 hours
  • Carbon : Approx. 2 hours
  • These figures will vary depending on the actual conditions of use.


  • Owner's manual
  • Mode Label
  • Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
  • Alkaline battery (9 V, 6LR61)


  • Width : 73 mm, 2-7/8 inches
  • Depth : 129 mm, 5-1/8 inches
  • Height : 59 mm, 2-3/8 inches
Brand Boss
Weight 1.0000
Dimensions (WxHxD) No


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