









Boss NS-2 Noise Suppressor - Used
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This used Boss unit will ship insured and inspected from Rapid City, SD. This pedal is in excellent condition with a couple of light scratches on the back side of the union, near the input jack.
Buy risk free with our 14 day - full refund, less shipping, return policy. Check out our shop policies for more details.
A quiet signal chain gives every note more room to speak, and this used Boss NS-2 Noise Suppressor is designed to remove unwanted hum, buzz, and high-gain noise without sacrificing the natural dynamics and decay of a guitar or bass. A longtime pedalboard utility, the NS-2 uses an analog VCA and high-speed envelope-detection circuitry to distinguish the instrument signal from unwanted noise, producing smoother suppression than a simple hard gate. Its dedicated send/return loop is particularly useful for isolating noisy overdrives, distortions, and other gain pedals while continuously monitoring the clean instrument input.
Threshold and Decay controls make it easy to tailor the suppression to different instruments and gain levels, while selectable Reduction and Mute modes give the pedal additional stage utility. Reduction mode lets the footswitch engage or disengage suppression, while Mute mode provides a convenient way to silence the rig for tuning, instrument changes, or breaks between songs. Buffered bypass helps maintain signal integrity through larger pedalboards, and the NS-2 can also distribute 9V power to additional pedals when used with the appropriate optional Boss power adapter and parallel cable. Available now at Haggerty’s Music.
Features / Specs
Highlights
- Effect Type: Noise Suppressor
- Application: Electric Guitar and Bass
- Modes: Reduction / Mute
- Bypass: Buffered Bypass
- Condition: Used - Excellent
Controls
- Threshold: Sets the Level at Which Noise Suppression Begins
- Decay: Adjusts How Gradually the Signal Fades After Falling Below the Threshold
- Mode Selector: Selects Reduction or Mute Operation
- Pedal Switch: Controls Suppression or Mute Function
- Indicators: Check/Mute and Reduction LEDs
Signal / Electronics
- Noise Suppression: Analog VCA with High-Speed Envelope Detection
- Nominal Input Level: -20 dBu
- Input Impedance: 1 MΩ
- Nominal Output Level: -20 dBu
- Output Impedance: 1 kΩ
- Recommended Load Impedance: 10 kΩ or Greater
- Current Draw: 25 mA
Connectivity
- Input: 1/4"
- Output: 1/4"
- Effects Loop: 1/4" Send and Return
- Power Input: DC In
- Power Output: 9V DC Out
Power
- Battery: 9V Carbon-Zinc or Alkaline
- AC Power: Boss PSA-Series Adapter (Not Included)
- Battery Life: Approximately 11 Hours Carbon-Zinc / 24.5 Hours Alkaline
Construction
- Format: Boss Compact Pedal
- Switching: Boss Pedal Switch
- Signal Bypass: Buffered
Miscellaneous
- Accessories: None
- Serial Number: F3T4520
usedF3T4520
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Pickup available at 2520 W Main St
Usually ready in 24 hoursPairs well with

Boss NS-2 Noise Suppressor - Used
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