Electro-Harmonix Q-Tron XO Envelope Follower Pedal

• True bypass Selectable low pass, band pass and high pass filters.

Improve your Groove. The phattest, funkiest envelope filter ever made! Switchable Boost and Filter Mix mode allow for an unlimited supply of new auto-wah effects that drip with attitude. Increased frequency response and improved signal-to-noise ratio make the Q-Tron perfect for use with any instrument. Bootsy Collins and George Clinton already have theirs. How about you?

List Price: $ 190.69

Price: $ 135.00

Source Audio Bass Envelope Filter Effects Pedal

• 21 Filter Sounds including 2 Pole Low Pass, 4 Pole Low Pass, Single Peak, Triple Peak, Peak and Notch and Phasers.
• Positive and Negative filter sweep with variable range and sensitivity.
• Dual range speed control allows equal adjustment of Attack and Decay speeds, or alternatively, a fixed, fast attack and adjustable Decay.
• Modern Design - a thoughtfully designed box that features rugged construction and sleek looks.
• State-of-the-art DSP - our proprietary 56-bit Digital Signal Processor, the SA601 and crystal clear 24-bit converters.

The Bass Envelope Filter is a continuation of the evolving line of Source Audio effects optimized specifically for the bass guitar. There are 21 different envelope filter effects to choose from including 2 Pole and 4 Pole Low Pass variations, Single Peak, Triple Peak, Peak/Notch variations, as well as Phaser settings. Each of these settings can be further modified with a variety of control options including positive/negative filter sweeps, sweep range, attack and decay speed settings, or frequency range selection. All Soundblox effects pedals are compatible with the Hot Hand Motion Controller - available separately in wireless or wired configurations. Soundblox pedals provide a wide variety of original sounding effects in a sleekly designed, rugged package that is easy to use and highly flexible.

List Price: $ 149.99

Price: $ 119.00

Source Audio SA143 Soundblox Pro Bass Envelope Filter

• 22 Filter Sounds including 2 Pole Low Pass, 4 Pole Low Pass, Single Peak, Triple Peak, Peak & Notch, and Phasers.
• Wet/Dry Mix knob featuring our signature low-end preserving algorithm 'Lo-Retain'.
• 4 modulation sources including envelope, LFO, expression pedal and Hot Hand.

The Soundblox Pro Bass Envelope Filter is an evolution of its hugely popular predecessor, the standard Soundblox BEF. As before, there are 22 different envelope filter effects to choose from including 2 Pole and 4 Pole Low Pass variations, Single Peak, Triple Peak, Peak/Notch variations, as well as Phaser settings. Each of these settings can be further modified with a variety of control options including positive/negative filter sweeps, sweep range, attack and decay speed settings, or frequency range selection.In this Pro version, users are able to choose from four different modulation sources including standard envelope filter sweeps, selectable LFO wave forms, a passive expression pedal and the Hot Hand motion sensing ring. An expression pedal input can be used to control filter modulation like in a standard wah pedal or a wide variety of parameters including sweep range, effect selection, LFO speed and more. As in our other Pro Series pedals, the BEF Pro features three footswitches to hold six customizable presets but also includes an option for Tap Tempo LFO on one of the footswitches.

List Price: $ 299.00

Price: $ 229.00

Electro-Harmonix DR. Q (Nano) Envelope Follower Pedal

• Small die-cast case saves pedalboard spaceBass switchRange knobLED indicates when effect is on

The classic 1970's funk box now available in a pocket sized case. Dynamic picking response produces super wah like tones. Totally funky with an attitude.

List Price: $ 65.51

Price: $ 49.13

Electro-Harmonix Riddle: Q-Balls for Guitar Envelope Filter

• 80 Hz to 5 kHz frequency response tailored for guitar
• Switch selectable analog distortion designed for guitar
• Low Pass, Band Pass, High Pass filter select
• Separate Dry and Effect outputs
• 9.6VDC 200mA power supply included

The Electro-Harmonix Riddle is a powerful and precise envelope filter fine-tuned for guitar frequency response. Sculpt your envelope to reveal a truly expressive tone, with a defined and unique signature. Riddle will deliver tight and smooth control over the complete 80 Hz to 5 kHz range, with a consistent and even sweetness. Need some edge? Engage Riddle's analog distortion and dial in anything from subtle bite to dominating crush. Riddle: a mysteriously musical envelope filter for guitar.

List Price: $ 270.30

Price: $ 185.53

EBS Bass IQ Analog Triple Bass Envelope Filter Pedal

• Bass Envelope Pedals for bass
• True ByPass
• Durable Construction

The EBS BassIQ is an analog envelope filter pedal that is triggered by the notes you play. The results are the funkiest and most responsive sounds in a stomp box. Auto-Wah or Funkadelic Sounds The pedal achieves sounds ranging from the classic auto-wah to your own unique space-bass or ”Funkadelic” sound. It features controls for threshold and attack, and runs in three different modes, Hi-Q, Up and Down. The 2008 edition uses true bypass technique. Improvements with the new edition 3 dB higher headroom Higher sensitivity - easier to dial-in New analog circuitry with higher dynamics and lower noise. Mechanical True Bypass switching

List Price: $ 399.00

Price: $ 173.73

Electro Harmonix Q Tron Envelope Pedal

• Drive control sets sensitivity and filter sweep range
• Selectable low pass, band pass or high pass filters
• Q control sets the filter's bandwidth from smooth to funky
• Tough and compact die-cast chassis
• 9-volt battery included

Improve your Groove! The Electro-Harmonix Q-Tron - the phattest, funkiest envelope filter ever made! Features like switchable Boost and Filter Mix mode allow for an unlimited supply of all-new auto-wah effects that drip with attitude. Increased frequency response and improved signal-to-noise ratio make the Q-Tron perfect for use with any instrument. Bootsy Collins and George Clinton already have theirs - How about you?

List Price: $ 248.00

Price: $ 143.02

Electro-Harmonix Enigma: Q-Balls for Bass Envelope Filter

• 40 Hz to 3 kHz frequency response tailored for bass
• Switch selectable analog distortion designed for bass
• Low Pass, Band Pass, High Pass filter select
• Separate Dry and Effect outputs
• 9.6VDC 200mA power supply included

The Electro-Harmonix Enigma is a powerful and precise envelope filter fine-tuned for bass frequency response. Sculpt your envelope to reveal a truly expressive tone, with a defined and unique signature. Enigma will deliver tight and smooth control over the complete 40 Hz to 3 kHz range, with a consistent and even sweetness. Need some edge? Engage Enigma's analog distortion and dial in anything from subtle bite to dominating crush. Enigma: a mysteriously musical envelope filter for bass guitar.

List Price: $ 257.00

Price: $ 196.37