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Photos shown are of the product on hand.

✔ One-off professionally tested preloved item. Warranty included.

Behringer B-Tron III Envelope Filter Effects Pedal

In great condition with very minor cosmetic wear

$100.00 AUD
$100.00 AUD
Sale Sold out
Shipping calculated at checkout.
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Important Information

+ Box included, no power supply or other accessories included.
🔌 Requires a 9V DC Negative Tip Power Supply.

The Behringer B-Tron III Envelope Filter delivers classic auto-wah tones with an all-analogue optical circuit, offering dynamic, touch-sensitive response for guitar, bass, and keys. With selectable low-pass, band-pass, and high-pass modes plus adjustable peak and gain, it recreates the expressive “quack” and vocal-style filtering that defined funk and fusion tones. Its significance lies in being an affordable modern take on the legendary Mu-Tron III, bringing one of the most iconic envelope filter sounds in music history to a wider range of players.

BRAND: Behringer

BARCODE/UPC: 644216650200

Serial Number: 01005490709ALB

  • Fully analogue envelope filter circuit with optical response for natural touch sensitivity
  • 3 selectable filter modes: Low-Pass, Band-Pass, High-Pass
  • Peak (Q) control with wide resonance range (approx. 1.5–14) for shaping filter intensity
  • Gain control with up to +40 dB input boost for driving the filter harder
  • Range switch (Low/High) to emphasise vowel-like lows or upper harmonics
  • Drive direction switch (Up/Down) for traditional “wah” or inverted “wow” response
  • True bypass switching for preserving signal integrity
  • Input: 1 x 1/4" TS (1 MΩ), Output: 1 x 1/4" TS (<600 Ω)
  • Power: 9V DC (centre negative), approx. 100 mA draw
  • Dimensions: 171 x 100 x 61 mm
  • Weight: approx. 0.68 kg
  • Construction: durable metal chassis for pedalboard and live use

Shipping Info

Southside Guitars offers FREE standard Australia-wide shipping for orders over $199 and below 5kg. There is also an express option at the check out for most items. Guitars above $2,000 in value ship via courier for free Australia-wide.

Preloved items typically ship same day or within 72 hours.

Condition & Warranty

This preloved product has been carefully tested when purchased and again before it’s shipped to you, so you can shop with confidence. Each item comes with a 3-month electrical warranty and a 6-month structural warranty, excluding accidental damage, misuse or broken strings. Click here to view our full refund policy.

SKU: 33815