
Price updated 25 Apr 2026, 13:00
TC Helicon Critical Mass Vocal Processor
Fair Price· Near 90-day average
90d Low
£82.99
Best seen
90d High
£82.99
Worst seen
90d Average
£82.99
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30d Forecast
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Fair Price· Near 90-day average
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| Store | Price | Shipping | Total | Condition | Stock | |
|---|---|---|---|---|---|---|
| BestGear4music | £82.00 | £0.99 | £82.99 | New | In stock | Buy now |
Product Description
- Sing Along Style Instantly create an arena-shouting sing-along style anthem with the TC Helicon Critical Mass. It allows you to add the sound and feel of group vocals to your performance perfect for getting the crowd engaged. Choose between melodic or gang style vocals that will suit any style of music. With a simple tap on the stompbox you can instantly take your solo vocal to concert hall. The Critical Mass provides options for unison octave up octave down and up and down for each. The Critical Mass also provides vocally tuned reverbs to bring the best out in your voice. Adaptive Tone For That Professional Polish Thanks to Adaptive Tone technology the TC Helicon automatically adds and tweaks your EQ compression de-essing and gating as your sing giving your voice the perfect tone and ensuring every note is pristinely clear and intelligible. Think of the Critical Mass as your personal sound engineer. Features Small pedal with an astounding amount of atmosphere Choose between melodic or gang style vocals offering versatility for any style of music No key or scale input required Four melodic choir styles and four gang vocal styles Three vocally-tuned studio-grade reverbs Adaptive tone capability provides you with a personal sound tech at your feet Adaptive tone (Equalization) includes compression a de-esser and gate that automatically control the timre and shape of your sound Ensures every note is pristinely clear Optional AA battery power Easy connectivity between a standard microphone and mixer Phantom power is always available Low-noise microphone pre-amp Automatic input gain setting for easy setup Rugged die-cast metal construction with rubber adhesive feet Microphone control for remote on/off switching with optional TC-Helicon MP-75 MP-76 (main button only) and Sennheiser e835 FX microphones Individual style select and mix controls for gang vocals USB connection to VoiceSupport application offering updates product-specific news and more 9V operation (vs 12V) to accommodate common pedalboard power supplies Incredibly easy to use thanks to simplistic controls and auto-gain setting Specifications Included Effects: Group VocalsReverbToneControls: Melodic & Gang Style Group Vocal SelectionLead/Group Mix3 Vocally Tuned Reverb Style With Adjustable LevelAdaptive Tone On/OffMic Control Group On/OffFootswitch Group Vocal On/OffSize: Height: 5.4Width: 3.5Depth: 2.3Weight: 0.42kg Construction: Two Part Die-Cast Metal With Rubber Adhesive Feet Connections: Input Connector: XLR Female Balanced Input Impedance: 3 K Ohm Input Clip Sensitivity: -1 dBu SNR A-Weighted: >114dB Phantom Power: 24V (Always On) Output Connector: XLR Male Impedance Balanced Pin 2 Hot Output Impedance: 200 Ohm Output Full Scale Level: +7.5dBu Input to Output Frequency Response: +/-0.3dB 20Hz to 20kHz Power: 9V 670mA (Power Supply NOT Included) Power Consumption: 6W Operating Temperature: 32°
- F to 122°
- F (0°
- C to 50°
- C) Storage Temperature: -22°
- F to 167°
- F (-30°
- C to 70°
- C) Humidity: Max 90 Percent Non-Condensing EMC: Complies with EN 55103-1 and EN 55103-2 FCC part 15 Class B CISPR 22 Class B Safety: Certified to IEC 65 EN 60065 UL6500 and CSA























