{"product_id":"cicada-audio-chx8-4pro-8-pro-coaxial-horn-speakers","title":"Cicada Audio CHX8.4PRO – 8\" PRO Coaxial Horn Motorcycle Speakers (4Ω, N45SH Neodymium, Pair)","description":"\u003ch2\u003e8\" PRO horn coaxials at 4Ω – built for bridged channels in custom builds, saddlebag lids and lower fairings\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe Cicada Audio CHX8.4PRO is an 8-inch 4Ω coaxial with a horn-loaded aluminium tweeter, rated at 400W RMS (800W peak) with 92dB sensitivity. It uses a Carbon Matrix Composite™ cone, a 64mm (2.5\") flat-wound coil, an N45SH neodymium motor and a vented diecast basket, with a Nanofram™ horn cover and external 12dB crossovers. Cicada designed it for 2014–2023 Harley-Davidson® 8\" saddlebag lid kits and aftermarket lower fairings. Sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe CHX8.4PRO is the \u003ca href=\"\/products\/cicada-audio-chx8-2pro-8-pro-coaxial-horn-speakers\"\u003eCHX8.2PRO\u003c\/a\u003e wound for 4Ω, so it can run from bridged channels and draws less current in a full system. The original \u003ca href=\"\/products\/cicada-audio-chx8-4-pro-coaxial-horn-speakers\"\u003eCHX8.4\u003c\/a\u003e remains available. The PRO steps up to an N45SH motor, a flat-wound TIL-former coil, Vortex Flow Venting™, a cloth surround and a 3-year warranty.\u003c\/p\u003e\n\n\u003ch3\u003eWho This Is For\u003c\/h3\u003e\n\n\u003cp\u003eBuilders fitting 8\" positions, whether custom enclosures, an 8\" saddlebag lid kit on a 2014–2023 Touring bike, aftermarket lowers or a purpose-built Tour-Pak® lid, who plan to drive them from bridged amplifier channels. It also suits builds where every speaker runs at 4Ω to keep the amplifiers and charging system comfortable. If the 8\" pair will run one speaker per channel on a 2Ω-stable amp, the \u003ca href=\"\/products\/cicada-audio-chx8-2pro-8-pro-coaxial-horn-speakers\"\u003eCHX8.2PRO\u003c\/a\u003e takes more from each channel.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Is Best For\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA bridged pair of 8\" coaxials\u003c\/strong\u003e – the \u003ca href=\"\/products\/cicada-audio-wx900-4-waterproof-4-channel-amplifier\"\u003eWX900.4\u003c\/a\u003e bridges to 450W × 2 into 4Ω, close to this driver's 400W RMS once the gain is set, and its sealed chassis suits a mount near the lowers or bags. The \u003ca href=\"\/products\/cicada-audio-flx700-4-4-channel-motorcycle-amplifier\"\u003eFLX700.4\u003c\/a\u003e bridges to 350W × 2 for a more conservative build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-4Ω systems\u003c\/strong\u003e – the \u003ca href=\"\/products\/cicada-audio-flx2000-4-4-channel-motorcycle-amplifier\"\u003eFLX2000.4\u003c\/a\u003e gives 331W × 4 into 4Ω, enough to run a pair of these alongside 4Ω PRO speakers elsewhere on the bike from one amp.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput from the lower fairing or lid\u003c\/strong\u003e – an 8\" cone adds real output and fills in the stage from a low or rear position. Level-matched and delayed properly, it supports the front pair rather than competing with it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced heat and current\u003c\/strong\u003e – a 4Ω load draws about half the current of 2Ω at the same voltage, which is a real saving across two 400W drivers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"maa-note maa-note--warning\"\u003e\n  \u003ch3\u003eProtect the Cone: 90Hz High-Pass\u003c\/h3\u003e\n  \u003cp\u003eSet a high-pass of \u003cstrong\u003e90Hz minimum at 24dB per octave\u003c\/strong\u003e before running the CHX8.4PRO hard, lower only if the enclosure has been designed and measured for it. Over-excursion below the high-pass tears the tinsel leads. If your filter is 12dB per octave, set it higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"maa-alert\"\u003e\n  \u003ch3\u003eBridged, or Stereo at 2Ω?\u003c\/h3\u003e\n  \u003cp\u003eA bridged output works each channel into half the speaker's impedance. A 4Ω speaker keeps a 2Ω-stable amp within its rating, and that's this driver. If the pair will instead run one speaker per channel in stereo on a 2Ω-stable amp, the \u003ca href=\"\/products\/cicada-audio-chx8-2pro-8-pro-coaxial-horn-speakers\"\u003eCHX8.2PRO\u003c\/a\u003e takes more power from each channel. Both are identical apart from the coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eThe Bottom Line\u003c\/h3\u003e\n\n\u003cp\u003eThe CHX8.4PRO gives bridged and all-4Ω builds the largest coaxial in Cicada's PRO horn range: 400W RMS and 92dB from an 8\" CMC™ cone. For a system planned around 8\" positions, \u003ca href=\"\/pages\/custom-audio-builds\"\u003etalk to us about a custom build\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCustom enclosure builds\u003c\/td\u003e\n\u003ctd\u003eCustom enclosure\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStreet Glide®, Road Glide®, Electra Glide® and Ultra Limited (with 14HDLID8LT lid kit)\u003c\/td\u003e\n\u003ctd\u003eSaddlebag lid\u003c\/td\u003e\n\u003ctd\u003e2014–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTouring models with aftermarket 8\" lower fairings\u003c\/td\u003e\n\u003ctd\u003eLower fairing\u003c\/td\u003e\n\u003ctd\u003eVaries by lower\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAftermarket Tour-Pak® lids built for 8\" drivers\u003c\/td\u003e\n\u003ctd\u003eTour-Pak®\u003c\/td\u003e\n\u003ctd\u003eVaries by lid\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003c\/p\u003e\n\n\u003chr class=\"maa-tab-split\"\u003e\n\n\u003ch3\u003eWhat's Inside the CHX8.4PRO\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eN45SH neodymium motor\u003c\/strong\u003e and \u003cstrong\u003e64mm (2.5\") flat-wound copper coil\u003c\/strong\u003e on a \u003cstrong\u003eTIL composite former\u003c\/strong\u003e, sealed in \u003cstrong\u003eBlack Coat™ resin\u003c\/strong\u003e, carry 400W RMS. The SH magnet grade holds its strength when hot. \u003cem\u003eOn the road: consistent output from a lower fairing, even with engine heat rising around it.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCarbon Matrix Composite™ cone\u003c\/strong\u003e stays rigid across its 8\" span on a \u003cstrong\u003elow-profile cloth surround\u003c\/strong\u003e. The \u003cstrong\u003eVortex Flow Venting™\u003c\/strong\u003e diecast basket cools the coil as it moves. \u003cem\u003eOn the road: controlled upper bass that doesn't soften as the session goes on.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ealuminium tweeter\u003c\/strong\u003e is horn-loaded with a 44mm (1.75\") coil behind the \u003cstrong\u003eNanofram™ cover\u003c\/strong\u003e, on a \u003cstrong\u003eremovable threaded flange\u003c\/strong\u003e. The \u003cstrong\u003eRain or Shine Pro™\u003c\/strong\u003e build resists UV and moisture. \u003cem\u003eOn the road: rain and road spray are kept off the tweeter without muffling it.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy 4Ω\u003c\/h3\u003e\n\n\u003cp\u003eBridging joins two channels into one output that works each channel into half the load. With this 4Ω speaker, each channel sees 2Ω, within the rating of bridgeable motorcycle amps such as the \u003ca href=\"\/products\/cicada-audio-wx900-4-waterproof-4-channel-amplifier\"\u003eWX900.4\u003c\/a\u003e and \u003ca href=\"\/products\/cicada-audio-flx700-4-4-channel-motorcycle-amplifier\"\u003eFLX700.4\u003c\/a\u003e. In stereo, 4Ω halves the current compared with 2Ω, keeping a multi-speaker system cooler.\u003c\/p\u003e\n\n\u003ch3\u003eSensitivity and Frequency Coverage\u003c\/h3\u003e\n\n\u003cp\u003eAt 92dB (1W\/1m), with a response of 75Hz to 20kHz (±3dB), the CHX8.4PRO is efficient and full-range above its 90Hz high-pass. The internal 12dB-per-octave crossover splits cone and horn at 4kHz, and –3dB or –6dB attenuation balances the horn against the rest of the system.\u003c\/p\u003e\n\n\u003ch3\u003eMounting\u003c\/h3\u003e\n\n\u003cp\u003eMounting depth is 83.9mm (3.3\") and mounting diameter is 181mm (7.1\"). Confirm both against your lid kit, lower or enclosure. Cicada lists it for the 2014–2023 H-D 8\" saddlebag lid kit (14HDLID8LT) and aftermarket lower fairings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" (203mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Handling – RMS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Handling – Peak\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92dB (1W\/1m)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75Hz – 20kHz (±3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended High-Pass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90Hz minimum at 24dB per octave\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Crossover\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal 12dB per octave @ 4kHz – custom tooled, vented, encased\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTweeter Attenuation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–3dB \/ –6dB (heatsink-encased resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoice Coil – Mid-Bass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64mm (2.5\") – TIL composite former, flat-wound copper, Black Coat™ resin\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoice Coil – Tweeter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44mm (1.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-grade neodymium (N45SH)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon Matrix Composite™ (CMC™)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurround\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-profile cloth\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTweeter Dome\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium, horn-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorn Cover\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNanofram™ – removable threaded horn flange\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCustom-tooled diecast aluminium with Vortex Flow Venting™\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e83.9mm (3.3\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e181mm (7.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2014–2023 H-D® aftermarket saddlebag lid kit (14HDLID8LT), aftermarket lower fairings, custom enclosures\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeather Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRain or Shine Pro™ – UV and moisture resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003c\/p\u003e\n\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × CHX8.4PRO 8\" PRO coaxial horn speakers\u003c\/li\u003e\n  \u003cli\u003e2 × external 12dB crossovers with –3dB \/ –6dB tweeter attenuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLid, lower fairing or enclosure hardware is not included.\u003c\/p\u003e","brand":"Cicada Audio","offers":[{"title":"Default Title","offer_id":51234073739511,"sku":"CHX8.4PRO","price":1535.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6505\/1639\/files\/coming_soon_placeholder_f8c468e2-a6ce-4867-b2c9-9bbcd1756332.png?v=1790730451","url":"https:\/\/www.motorcycleaudio.com.au\/products\/cicada-audio-chx8-4pro-8-pro-coaxial-horn-speakers","provider":"Motorcycle Audio Australia","version":"1.0","type":"link"}