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BOSS FV-500L Best Guitar/Keyboard Foot Volume Pedal Stereo, Low-impedance for Expression-compatible Amps, Effects, and Synthesizers


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For 14 years, the famous BOSS FV-300 served as an industry-standard volume pedal. The tradition continued with the FV-50 series, but today the bar has been raised with BOSS's FV-500H (mono, high-impedance, inst. level) and FV-500L (stereo, low-impedance) pedals. These tank-tough diecast pedals are designed to meet the needs of the most demanding customers. The pedals offer a new stylish design, a road-tough build, and a comfortable, smooth action. Both models also provide an Expression output for use with expression-compatible amps, effects, and even synthesizers.

- FV-500L: stereo, low-impedance
- Heavy-duty aluminum die-casting body
- Ultra-smooth pedal movement for the utmost in comfort and control
- Pedal rubber is for comfortable play and non-slip action
- Expression pedal function
- Convenient tuner-output jack
- Adjustable pedal feel (torque)



1. Is the BOSS FV-500L an active volume pedal?

  • No, the BOSS FV-500L is a passive volume pedal.

2. Will the BOSS FV-500L work with an active electronics preamp guitar?

  • Yes.

3. Does the BOSS FV-500L have a 500k pot?

  • No.

4. Can I use the BOSS FV-500L as an expression pedal?

  • Yes.

5. Can I connect the BOSS FV-500L through one input to two outputs?

  • No.

6. Does the BOSS FV-500L work with an acoustic guitar?

  • Yes.

7. What is the difference between the BOSS FV-500H and the FV-500L?

  • BOSS FV-500H 
    • High-impedance volume pedal
    • Mono output
    • Best used for guitars
  • BOSS FV-500L
    • Low-impedance volume pedal
    • Stereo output
    • Best used for keyboards.

8. Does the BOSS FV-500L work with the RC-505?

  • Yes.

9. Will the BOSS FV-500L work with a ukulele?

  • Yes.

10. Will the BOSS FV-500L work with a tremolo pedal?

  • Yes.

11. Does the BOSS FV-500L cut the sound when the volume is set to zero?

  • Yes.

12. What kind of cable do you use for the expression input on the BOSS FV-500H?

  • A standard ¼” inch stereo TRS cable.

13. Does the BOSS FV-500L work with the Yamaha Mx61?

  • Yes.

14. Can I use the BOSS FV-500L as a lead boost?

  • Yes. You can set the minimum volume to 6, then raise it to 10.

15. Does the BOSS FV-500L make the tone muddy when the volume is down?

  • No.

16. Does the BOSS FV-500L need a power supply?

  • No.

17. Will the BOSS FV-500L work with a steel guitar?

  • Yes.

18. Does the BOSS FV-500L work with a drum machine?

  • Yes.


  • Control: MINIMUM VOLUME knob
  • Connectors: INPUT jack 1, 2, OUTPUT jack 1, 2, EXP (Expression) jack, TUNER OUT jack

Size & Weight

  • Width: 110 mm, 4-3/8 inches
  • Depth: 289 mm, 11-7/16 inches
  • Height: 72 mm, 2-7/8 inches
  • Weight: 1.6 kg, 3 lbs. 9 oz.

*The specifications are subject to change without notice.

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