Cicada Audio FLX1400.4PRO 1400W 4-Channel DSP Motorcycle Amplifier
Cicada Audio FLX1400.4PRO 1400W 4-Channel DSP Motorcycle Amplifier
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Cicada Audio FLX1400.4PRO 1400W 4-Channel DSP Motorcycle Amplifier
The Cicada Audio FLX1400.4PRO combines a high-output four-channel Class-D motorcycle amplifier with a full six-channel DSP in one compact chassis. It delivers 350 watts RMS per channel at 2Ω, with Bluetooth audio streaming and USB-C computer tuning through Cicada's DIALD platform for serious Harley-Davidson, Indian and custom motorcycle audio systems.
1400 Watts of Power with Six-Channel DSP Control
High-output Class-D power with onboard DSP, Bluetooth streaming and USB-C tuning in a compact motorcycle-ready chassis.
- 350 watts x 4 at 2Ω, 225 watts x 4 at 4Ω
- 700 watts x 2 bridged at 4Ω
- Six-channel DSP: 4 amplified + 2 pass-through
Key Product Details
| Product | Cicada Audio FLX1400.4PRO 1400W 4-Channel DSP Motorcycle Amplifier |
| Amplifier Type | 4-channel Class-D motorcycle amplifier with built-in DSP |
| DSP Architecture | 6 channels: 4 amplified + 2 pass-through |
| Best For | Harley-Davidson Road Glide and Street Glide amp racks, front and rear component systems, and custom bagger audio |
| Warranty | 2 years |
Always verify speaker impedance, wiring layout, fuse size, amplifier placement, gain structure, charging system capacity, and final system design before ordering or installing this amplifier.
Four Amplified Channels Plus Built-In Six-Channel DSP
The FLX1400.4PRO is more than a four-channel amplifier. Its integrated DSP provides six processed outputs: four channels feed the internal Class-D amplifier while two additional channels provide processed pass-through outputs for a compatible additional amplifier.
Cicada built it around motorcycle installations, including mounting in compatible Harley-Davidson Road Glide and Street Glide amplifier rack locations. A conformal-coated circuit board and extruded aluminum chassis help it stand up to vibration, moisture and dust.
- Six DSP channels, with high-pass, band-pass and low-pass crossovers.
- 20Hz to 20kHz crossover range with 6, 12, 24 and 48dB per octave slopes.
- Bluetooth audio streaming and USB-C computer tuning with Cicada DIALD.
- REM, DC and VOX turn-on, with a Molex input system for RCA or Harley-specific termination.
- 4 AWG power connections and 12 AWG busbar-style speaker outputs.
- Status and clipping LEDs, and Cicada ICAD overload protection.
Power and Performance Specifications
| Model | FLX1400.4PRO |
| RMS Power @ 4Ω | 225 watts x 4 channels at 14.4V |
| RMS Power @ 2Ω | 350 watts x 4 channels at 14.4V |
| Bridged Power @ 4Ω | 700 watts x 2 channels at 14.4V |
| Frequency Response | 20Hz–20kHz +/-3dB |
| THD + Noise | 0.1% at 2Ω per channel, 10% rated power |
| Signal-to-Noise Ratio | 91dB A-weighted |
| Damping Factor | 200 |
| Total Efficiency | 80% |
| Crossover Modes | High-Pass / Band-Pass / Low-Pass |
| Crossover Range | 20Hz–20kHz |
| Crossover Slopes | 6 / 12 / 24 / 48dB per octave |
| Input Sensitivity | 0.2V–12V |
| Operating Voltage | 9V–16V |
| Current Draw | 70A music / 150A max |
| Recommended Fuse | 100A |
| Power Input | 4 AWG |
| Speaker Outputs | 12 AWG busbar-style terminals |
| Turn-On Modes | REM / DC / VOX |
| DSP Connectivity | Bluetooth audio streaming / USB-C PC tuning / DIALD DSP |
| Dimensions (with brackets) | 8.26" x 4.9" x 2.0" / 210mm x 125mm x 51mm |
| Dimensions (chassis) | 7.1" x 4.9" x 2.0" / 180mm x 125mm x 51mm |
| Warranty | 2 years |
Published output is measured at 14.4 volts. Actual output depends on charging voltage, speaker impedance, wiring, electrical capacity, signal level and final DSP configuration.
Recommended System Planning
To get the best performance from the Cicada FLX1400.4PRO, calculate the final impedance each channel will see before wiring, and match the amplifier with the right speakers, OFC power and ground wiring, battery-side fusing, and a DSP tuning plan. Cicada specifies about 70 amps of music current draw and up to 150 amps maximum, with a recommended 100-amp fuse.
Garage Bagger Stereo offers this amplifier with optional bike-specific integration packages. Verify your year, model, factory audio system and current radio before ordering.
- Amplifier only.
- 2024-Present Harley A2B integration without an additional external DSP.
- 2014-2023 Harley Touring with factory radio or aftermarket radio.
- 1998-2013 Harley Touring with factory radio or aftermarket radio.
Professional installation and DSP tuning are strongly recommended for high-output systems. Complete final tuning after the motorcycle is fully assembled.
What to Pair With the FLX1400.4PRO
These parts help you wire and tune the amplifier correctly.
Cicada HDFLXPRO4K FLX Plug-N-Play Harness Kit
Plug-and-play harness kit with 4 AWG power wire for FLX 4-channel amplifiers.
Cicada CHDQD43 Power/Ground Quick Disconnect
4-gauge power and ground quick disconnect with cover.
Motorcycle DSP
Tune the system with a digital sound processor built for Harley-Davidson audio.
Cicada Audio Speakers
Match the amplifier to Cicada speakers built for bagger audio.
Related Cicada & Motorcycle Audio Paths
Build the system around the correct amplifier, speakers, DSP, wiring, and installation parts. These related collections help match the FLX1400.4PRO with the right Harley audio upgrade path.
Best Use for the FLX1400.4PRO
Choose it for Harley-Davidson, Indian and custom bagger builds that need high-output four-channel power with full DSP control, Bluetooth and USB-C tuning.
Designed Around Real Motorcycle Audio
Motorcycle audio is different from car audio. Wind noise, road speed, speaker placement, electrical load, limited mounting space, and heat management all matter. This amplifier belongs in systems where the speakers, wiring, fusing, and tuning plan are matched correctly.
Cicada FLX1400.4PRO FAQ
How much power does the FLX1400.4PRO make?
Cicada rates it at 225 watts RMS x 4 at 4Ω and 350 watts RMS x 4 at 2Ω, measured at 14.4 volts. Bridged into two channels it makes 700 watts RMS x 2 at 4Ω.
Does the FLX1400.4PRO have a built-in DSP?
Yes. It has a six-channel DSP: four channels feed the internal amplifier and two are processed pass-through outputs for a compatible additional amplifier. Tuning is done over USB-C with the Cicada DIALD platform.
Can I stream music to it over Bluetooth?
Yes. Built-in Bluetooth audio streaming gives you a playback source for setup, testing and listening.
Will it fit my Road Glide or Street Glide amp rack?
Cicada designed it to mount in compatible Harley-Davidson Road Glide and Street Glide amplifier rack locations. Confirm your year and model with Garage Bagger Stereo before ordering.
What size power wire and fuse does it need?
It accepts 4 AWG power connections. Cicada specifies about 70 amps of music current draw, 150 amps maximum and a recommended 100-amp fuse.
Which speaker impedances can it run?
It runs 4Ω and 2Ω loads per channel, and 4Ω loads when bridged. Always calculate the final impedance each channel sees before wiring.
What turn-on modes does it support?
REM, DC and VOX turn-on modes are supported.
What warranty does it have?
The published warranty is 2 years.
What else do I need to run the FLX1400.4PRO?
Plan for correct fusing (the recommended fuse is 100A), speakers matched to the impedance you wire, clean signal input, and a tuning plan such as a DSP. Garage Bagger Stereo can help you match the parts to your bike.
Does Garage Bagger Stereo install the FLX1400.4PRO?
Garage Bagger Stereo offers motorcycle audio installation at our Taylors, SC shop and can help you plan a DIY install. Start a Build Consultation or call 864-334-6131 to check scheduling.
Need Help Choosing?
Tell us your bike, model year and what you want to add, and we will confirm fitment and the right parts before you order.