Cicada Audio FLX700.4PRO – 175W x 4ch DSP Pro Amplifier
Cicada Audio FLX700.4PRO – 175W x 4ch DSP Pro Amplifier
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Cicada Audio FLX700.4PRO 175W x 4ch DSP Pro Amplifier
The Cicada Audio FLX700.4PRO delivers clean four-channel power with an onboard 6-channel DSP (4 amplified plus 2 pass-through), Bluetooth streaming and USB-C PC tuning. It is designed for H-D amp racks with multiple brackets and has Molex inputs for RCA or bike-specific termination.
Small Chassis, Big Control
Four-channel power with a built-in six-channel DSP, tuned over USB-C with Bluetooth audio built in.
- 120 watts x 4 at 4Ω, 175 watts x 4 at 2Ω
- 350 watts x 2 bridged at 4Ω
- 6-channel DSP with Bluetooth and USB-C tuning
Key Product Details
| Product | Cicada Audio FLX700.4PRO 175W x 4ch DSP Pro Amplifier |
| Amplifier Type | 4-channel motorcycle amplifier with onboard DSP |
| DSP | 6 channels: 4 amplified + 2 pass-through |
| Best For | Harley-Davidson amp racks, front and rear pro speakers at 2Ω to 4Ω, and bridged 4Ω pairs |
| Size | 5.3" x 4.9" x 2.0" with brackets / 134mm x 125mm x 51mm |
| 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.
Bike-Ready Build and Best Use
The FLX700.4PRO pairs a compact aluminum chassis with a six-channel DSP, so you can tune crossovers and response around the actual speakers and bike.
- Conformal-coated PCB in an extruded aluminum heatsink.
- Status and clipping LEDs.
- Front and rear pro speakers at 2Ω to 4Ω.
- Bridged 4Ω pairs for lids or mid-bass.
- OFC wiring, correct fusing and solid grounds.
- Factory radio or DSP signal. Garage Bagger Stereo will help map gains and filters.
Power and Performance Specifications
| RMS Power @ 4Ω (14.4V) | 120 watts x 4 channels |
| RMS Power @ 2Ω (14.4V) | 175 watts x 4 channels |
| Bridged Power @ 4Ω (14.4V) | 350 watts x 2 channels |
| Frequency Response | 20Hz–20kHz +/-3dB |
| THD + N | 0.1% at 2Ω per channel, 10% rated power |
| Signal-to-Noise Ratio / Damping Factor | 91dB A-weighted / 200 |
| DSP / Tuning | 6-channel DSP (4 amplified + 2 pass-through), Bluetooth audio, USB-C PC tuning |
| Turn-On Modes | REM / DC / VOX |
| Operating Voltage | 9V–16V |
| Current Draw | 50A music / 80A max |
| Recommended Fuse | 50A for music use |
| Efficiency | About 80% |
| Gain Range | 0.2V–12V |
| Dimensions (with brackets) | 5.3" x 4.9" x 2.0" / 134mm x 125mm x 51mm |
| Dimensions (chassis) | 4.1" x 4.9" x 2.0" / 104mm x 125mm x 51mm |
Recommended System Planning
To get the best performance from the Cicada FLX700.4PRO, match it with the right speakers, OFC power and ground wiring, correct battery-side fusing, clean signal input, and a real DSP tuning plan.
If you are unsure whether this amplifier fits your amp rack, Road Glide, Street Glide, CVO, Road King, Indian, or custom build, confirm your year and model with Garage Bagger Stereo before ordering.
What to Pair With the FLX700.4PRO
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 FLX700.4PRO with the right Harley audio upgrade path.
Best Use for the FLX700.4PRO
Choose it for Harley-Davidson builds that want compact four-channel power with a built-in DSP and Bluetooth, mounted in an H-D amp rack.
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 FLX700.4PRO FAQ
Does the FLX700.4PRO have a DSP?
Yes. It has an onboard 6-channel DSP with four amplified channels and two pass-through channels, tuned over USB-C with Bluetooth audio built in.
How much power does it make?
It makes 120 watts x 4 at 4Ω, 175 watts x 4 at 2Ω, or 350 watts x 2 bridged at 4Ω, measured at 14.4 volts.
What fuse does it need?
Cicada recommends a 50-amp fuse for music use, with about 50 amps music and 80 amps maximum current draw.
How is it turned on?
It supports REM, DC and VOX turn-on.
Will it fit my amp rack?
It is designed for H-D amp racks with multiple brackets. Confirm your year and model with Garage Bagger Stereo.
What else do I need to run the FLX700.4PRO?
Plan for correct fusing (the recommended fuse is 50A for music use), 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 FLX700.4PRO?
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.
What warranty does the FLX700.4PRO carry?
Cicada Audio products carry a two-year warranty.
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.