Cicada Audio CX69.4 – 6×9" 4Ω Coaxial Harley Saddlebag Speakers (Pair)

What's Inside the CX69.4

The cone is IMPP (Injected Moulded Polypropylene) – moisture-resistant and thermally stable, suited to the enclosed saddlebag environment where temperatures climb under sustained load. The NBR (Nitrile Butadiene Rubber) surround maintains its mechanical compliance through the full temperature range of real riding conditions – from cold morning starts through sustained summer highway running. On the road: the speaker handles the sealed saddlebag environment – heat, vibration, and weather – without the surround degradation that takes out foam-surround speakers over time.

The 1.4-inch Black Coat™ voice coil carries Cicada's proprietary high-temperature treatment on the former and windings. In an enclosed saddlebag under sustained load, voice coil temperature is one of the primary failure points for speakers not built for motorcycle audio. The Shortening Ring in the motor gap reduces inductance at high frequencies, keeping distortion low at the top of the mid-bass range and maintaining a clean handoff to the tweeter. On the road: cleaner output at sustained volume, with the mid-bass staying controlled as power increases rather than compressing and hardening.

The tweeter is a 1.0-inch PEI dome with Neodymium magnet, loaded by Cicada's DPSH (Dual-Phase Slot Horn). From the saddlebag position, the listening axis is already off-centre relative to the rider – the DPSH horn geometry maintains broad high-frequency coverage rather than projecting a narrow beam. The built-in 6dB crossover protects the tweeter from low-frequency excursion without requiring an external crossover. On the road: usable treble detail from the rear regardless of riding position or road speed.

The N35 Neodymium motor and Heavy Duty Injected High Temp Polymer frame complete an assembly designed to run reliably in the mechanical and thermal conditions of a motorcycle saddlebag – vibration, heat, and moisture included.

Sensitivity and Frequency Coverage

At 95.5 dB (1W/1m), the CX69.4 is among the more sensitive coaxials in the 6×9-inch category. On a motorcycle at highway speed, the noise floor is high – a speaker with genuine sensitivity extracts more output from available amplifier power, translating directly to more usable volume at the speeds you're actually riding at.

Frequency response runs 53.6 Hz – 20 kHz (±5 dB). The 6×9-inch cone area moves more air at lower frequencies than a 6.5-inch driver, giving the CX69.4 genuine mid-bass presence. For builds without a dedicated subwoofer, the rear stage carries the low-end responsibility. For full front-and-rear builds, the CX65.4 in the fairing handles the upper frequencies while the CX69.4 reinforces the low end.

Why 4Ω – Bridged Amps and Thermal Margin

When an amplifier runs in bridged mode, it combines two channels to drive a single speaker pair with more power. The trade-off is that each amplifier channel effectively works into half the speaker's impedance – a 4Ω speaker across a bridged channel pair means each channel sees 2Ω. Amplifiers including the Cicada FLX500.4 and FLX700.4 are rated for a minimum 4Ω speaker load when bridged. Running a 2Ω speaker bridged would put each channel at about 1Ω – below safe operating limits. The CX69.4 is the correct saddlebag speaker for any bridged-amp rear stage.

At 4Ω in a standard stereo configuration, the CX69.4 also gives the amplifier more thermal headroom – less current demand, less heat, more margin for sustained operation. For long-distance touring in summer heat, 4Ω is the more conservative choice. For maximum output from a 2Ω-stable amplifier running stereo, the CX69.2 is the higher-output option.

Fitment

• Mounting depth: 64.8 mm (2.55 in).
• Mounting diameter (cutout): 145.5 mm × 215.9 mm (5.77 in × 8.5 in).
• Overall dimensions: 126.56 mm × 233.7 mm (6.4 in × 9.2 in).
• Suited to saddlebag speaker positions on Harley-Davidson® Touring models – Street Glide, Road Glide, Ultra Limited, and CVO – running standard 6×9" saddlebag speaker positions.
• Grills and mounting hardware included.
• Compatible with 4Ω amplifiers and bridged configurations – Cicada FLX500.4, FLX700.4, Rockford Fosgate, Soundstream, and Diamond Audio.

Technical Specifications