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Behringer B-TRON III ENVELOPE FILTER - guitar effect B-STOCK

The Behringer B-TRON III Envelope Filter is an analog auto-wah effect inspired by the iconic Mu-Tron III. It features three filter types (LP, BP, HP), Up/Down modes, and a range switch for tonal flexibility. Perfect for guitar, bass, and synthesizers.


B-STOCK. This is a product which has been returned by a customer within their 14-day money-back guarantee or opened by our team to test. Fully functional and come with a full warranty.


 

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Product attributes
Model : B-TRON III ENVELOPE FILTER
SKU : SUP_em6295-b
Warranty : 2 years
Producent : BEHRINGER
Weight without package: 0.7 kg
Product Description
Details

B-STOCK. This is a product which has been returned by a customer within their 14-day money-back guarantee or opened by our team to test. Fully functional and come with a full warranty.

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Behringer B-TRON III Envelope Filter – Analog Envelope Filter with a 70s Soul

The Behringer B-TRON III is a fully analog envelope filter that brings back the legendary funk sounds of the 1970s. Inspired by the iconic Mu-Tron III, it delivers dynamic auto-wah and "quack" effects, ideal for guitarists, bass players, and keyboardists.

Product Features

  • Fully analog optical circuit ensuring natural response to playing dynamics.
  • Three filter types: low-pass (LP), band-pass (BP), and high-pass (HP).
  • Up/Down direction modes for wah and wow effects.
  • Range switch to toggle between low and high frequency bands.
  • Gain and peak controls for precise tone shaping.
  • True bypass for signal integrity when the effect is off.
  • Rugged metal housing with vintage aesthetics.
  • Power supply: 9V battery or 9V DC adapter (not included).

Versatile Sound Shaping

With three filter modes and switchable envelope direction, the B-TRON III provides a wide sonic range—from classic auto-wah tones to intense vocal-like sweeps. The range switch lets you focus on low or high frequencies, making it suitable for different instruments and music styles.

Applications

The Behringer B-TRON III is designed for electric guitar, bass, and synthesizers. It's an ideal tool for musicians seeking expressive filtering effects in genres such as funk, rock, fusion, and electronic music.

Technical Specifications

  • Input: 1 x 1/4" TS (instrument), impedance 1 MΩ
  • Output: 1 x 1/4" TS (amplifier), impedance <600 Ω
  • Filter types: LP, BP, HP
  • Controls: Gain (up to +40 dB), Peak (Q: 1.5–14), Mode (LP/BP/HP)
  • Switches: Range (Low/High), Drive (Up/Down), Power (On/Off)
  • Power: 9V battery or 9V DC adapter (center-negative, >100 mA)
  • Dimensions: 61 x 100 x 171 mm
  • Weight: 0.68 kg

Materials and Build Quality

The B-TRON III features a durable metal chassis that offers long-lasting performance and protection against physical damage. Its vintage design pays homage to classic pedals of the 1970s, while true bypass ensures your signal remains untouched when bypassed.

Included in the Box

  • Behringer B-TRON III Envelope Filter
  • User manual

Conclusion

The Behringer B-TRON III is the perfect choice for musicians seeking a classic auto-wah tone in a modern, budget-friendly design. With its versatility, robust construction, and rich sound, it’s a valuable addition to any pedalboard.

Shipment

Product delivery details Behringer B-TRON III ENVELOPE FILTER - guitar effect B-STOCK

Shipment from Warsaw, Poland.

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Product faq

Behringer B-TRON III ENVELOPE FILTER - guitar effect B-STOCK - Frequently asked questions.

What instruments is the B-TRON III compatible with?

It works with electric guitar, bass, and synthesizers.


Does the B-TRON III have true bypass?

Yes, it features true bypass for unaltered signal when the effect is off.


What filter types are available?

You can select from low-pass (LP), band-pass (BP), and high-pass (HP) filters.


What direction modes are offered?

It includes Up and Down modes for expressive wah-like effects.


What are the power options?

The unit can be powered by a 9V battery or a 9V DC adapter (center-negative, >100 mA).


What are the device’s dimensions and weight?

Dimensions: 61 x 100 x 171 mm; Weight: 0.68 kg.


Is the effect suitable for funk music?

Absolutely, the B-TRON III excels in funk, offering iconic auto-wah sounds.


Is it beginner-friendly?

Yes, its simple interface and great price make it suitable for beginners.