{"product_id":"hertz-hsp3-24-a2b-s3-4-speaker-kit-2024-present-harley-stage-3","title":"Hertz HSP3-24 A2B S3 4-Speaker Kit for 2024-Present Harley with Stage 3 Audio","description":"\u003csection class=\"gbs-flx gbs-locked\"\u003e\u003csection class=\"gbs-hero\"\u003e\u003cdiv class=\"gbs-hero-left\"\u003e\n\u003ch1\u003eHertz HSP3-24 A2B S3 4-Speaker Kit for 2024-Present Harley with Stage 3 Audio\u003c\/h1\u003e\n\u003cp\u003eThe Hertz HSP3-24 A2B S3 is a four-speaker kit for 2024-Present Harley-Davidson motorcycles equipped with the factory Stage 3 audio package. It connects to the factory A2B audio system through the HD-A2B module and drives SX 165 NEO and SX 690 H NEO speakers from an SP 4.900 amplifier. The kit includes the HHP14 power and ground cable and Hog Badges for the front and rear speaker grilles. It is the Stage 3 version; bikes with the Base audio package use the HSP3-24 A2B Base.\u003c\/p\u003e\n\u003cdiv class=\"gbs-btn-row\"\u003e\n\u003ca class=\"gbs-btn-primary\" href=\"\/collections\/hertz\"\u003eShop Hertz\u003c\/a\u003e\u003ca class=\"gbs-btn-primary\" href=\"\/collections\/23-cvo-24-plug-and-play-kits\"\u003e2024-Present Plug and Play Kits\u003c\/a\u003e\u003ca class=\"gbs-btn-primary\" href=\"\/collections\/2023-5-harley-davidson\"\u003e2024-Present Harley Audio\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-hero-right\"\u003e\n\u003cspan class=\"gbs-eyebrow\"\u003e2024-PRESENT HARLEY-DAVIDSON A2B — FACTORY STAGE 3 AUDIO\u003c\/span\u003e\u003ch3\u003eStage 3 Audio Package Kit\u003c\/h3\u003e\n\u003cp\u003eFour Hertz speakers on the factory A2B system for Stage 3 equipped bikes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHD-A2B digital interface module\u003c\/li\u003e\n\u003cli\u003eSP 4.900 + SX 165 NEO + SX 690 H NEO\u003c\/li\u003e\n\u003cli\u003eHHP14 power cable and Hog Badges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"gbs-btn-row gbs-btn-row-right\"\u003e\n\u003ca class=\"gbs-btn-primary\" href=\"\/pages\/get-a-custom-build\"\u003eStart a Build Consultation\u003c\/a\u003e\u003ca class=\"gbs-btn-primary\" href=\"tel:8643346131\"\u003eCall 864-334-6131\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cdiv class=\"gbs-notice\"\u003e\n\u003cstrong\u003eStage 3 audio package only:\u003c\/strong\u003e This kit is for bikes equipped with the factory Stage 3 audio package. Bikes with the Base audio package need the HSP3-24 A2B Base. The two kits are not interchangeable.\u003c\/div\u003e\n\u003csection class=\"gbs-card gbs-mix\"\u003e\u003ch2\u003eKey Product Details\u003c\/h2\u003e\n\u003cdiv class=\"gbs-spec-table-wrap\"\u003e\u003ctable class=\"gbs-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Model \/ SKU\u003c\/td\u003e\n\u003ctd\u003eHSP3-24 A2B S3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHertz (Elettromedia)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Package\u003c\/td\u003e\n\u003ctd\u003eBikes equipped with the factory Stage 3 audio package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003e2024-Present Harley-Davidson with factory A2B audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Interface\u003c\/td\u003e\n\u003ctd\u003eHD-A2B digital interface module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier\u003c\/td\u003e\n\u003ctd\u003eHertz SP 4.900 four-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Speakers\u003c\/td\u003e\n\u003ctd\u003eHertz SX 165 NEO 6.5-inch coaxials (pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Speakers\u003c\/td\u003e\n\u003ctd\u003eHertz SX 690 H NEO 6×9 three-way (pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003e4Ω per speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Wiring\u003c\/td\u003e\n\u003ctd\u003eHHP14 power and ground cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBadges\u003c\/td\u003e\n\u003ctd\u003eHog Badges for front and rear speaker grilles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddlebag Lid Kit\u003c\/td\u003e\n\u003ctd\u003eNot included in this version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeakers in Kit\u003c\/td\u003e\n\u003ctd\u003eFour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"gbs-spec-note\"\u003eFor 2024-Present Harley-Davidson motorcycles equipped with the factory Stage 3 audio package. Verify your model, year and audio package before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-plain\"\u003e\u003ch2\u003eHertz A2B Audio for 2024-Present Stage 3 Harley-Davidson\u003c\/h2\u003e\n\u003cp\u003eHarley's 2024-Present touring platform sends audio over the A2B digital bus. The HSP3-24 A2B S3 uses the HD-A2B module to bring that signal into the SP 4.900, which powers two SX 165 NEO front speakers and two SX 690 H NEO 6×9 speakers.\u003c\/p\u003e\n\u003cp\u003eHertz builds this version for bikes that came with the factory Stage 3 audio package. It does not include a saddlebag lid kit; the Hog Badges are supplied for the front and rear speaker grilles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHD-A2B Interface:\u003c\/strong\u003e Digital interface module for the factory A2B audio system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSP 4.900 Amplifier:\u003c\/strong\u003e IP55 D-class, rated 160W RMS × 4 at 4Ω.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Pair:\u003c\/strong\u003e SX 165 NEO two-way coaxials, 4Ω, 100W continuous each.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRear Pair:\u003c\/strong\u003e SX 690 H NEO 6×9 three-way coaxials, 4Ω, 130W continuous each.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-mix\"\u003e\u003ch2\u003eWhat's Included and Specifications\u003c\/h2\u003e\n\u003cdiv class=\"gbs-spec-table-wrap\"\u003e\u003ctable class=\"gbs-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHD-A2B Digital Interface Module\u003c\/td\u003e\n\u003ctd\u003eHertz A2B digital interface that connects the kit to the bike's factory A2B audio system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHertz SP 4.900 Four-Channel Amplifier\u003c\/td\u003e\n\u003ctd\u003eIP55 D-class amplifier rated 160W RMS × 4 at 4Ω, 250W RMS × 4 at 2Ω or 500W RMS × 2 bridged at 4Ω, with USS for factory head units that use speaker load detection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHertz SX 165 NEO Coaxial Speakers\u003c\/td\u003e\n\u003ctd\u003e6.5-inch two-way SPL coaxials, 4Ω, 100W continuous \/ 200W peak, 96.5dB sensitivity, neodymium motors and water-repellent, anti-UV cones.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHertz SX 690 H NEO 3-Way Speakers\u003c\/td\u003e\n\u003ctd\u003e6×9-inch three-way coaxials, 4Ω, 130W continuous \/ 260W peak, 94dB sensitivity, 1.4-inch dome tweeter plus 1-inch super tweeter.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHHP14 Power and Ground Cable\u003c\/td\u003e\n\u003ctd\u003ePower and ground wire kit for the SP 4.900.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHog Badges\u003c\/td\u003e\n\u003ctd\u003eHertz replacement badges for the front and rear speaker grilles.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"gbs-spec-note\"\u003eKit contents are listed as published on the Elettromedia (Hertz) 2026 Hertz Moto price sheet. Component specifications are from Hertz product pages.\u003c\/p\u003e\n\u003ch3\u003eSP 4.900 Amplifier Specifications\u003c\/h3\u003e\n\u003cdiv class=\"gbs-spec-table-wrap\"\u003e\u003ctable class=\"gbs-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Model\u003c\/td\u003e\n\u003ctd\u003eHertz SPL Show SP 4.900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd\u003eFour-channel D-class amplifier (Hertz ADC output stage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 4Ω\u003c\/td\u003e\n\u003ctd\u003e160W RMS × 4 channels at 14.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 2Ω\u003c\/td\u003e\n\u003ctd\u003e250W RMS × 4 channels at 14.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBridged Output\u003c\/td\u003e\n\u003ctd\u003e500W RMS × 2 channels at 4Ω, 14.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal RMS Power\u003c\/td\u003e\n\u003ctd\u003e1000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load\u003c\/td\u003e\n\u003ctd\u003e2Ω in 4-channel mode \/ 4Ω bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Protection\u003c\/td\u003e\n\u003ctd\u003eIP55 aluminum chassis, no cooling fan, sealed power, input and speaker connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003ePre-in (0.6–6 V RMS) and speaker-level in (2.2–22 V RMS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Load Detection\u003c\/td\u003e\n\u003ctd\u003eUSS (Universal Speakers Simulator) for head units with speaker load detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossovers\u003c\/td\u003e\n\u003ctd\u003eCh 1-2 high-pass \/ low-pass 50Hz–5kHz, Ch 3-4 high-pass 50Hz–5kHz, 12dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost\u003c\/td\u003e\n\u003ctd\u003e0–8dB (low-pass on only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e10Hz–35kHz (−3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd\u003e105 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e0.02% at 100Hz, 4Ω, 70% rated power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Factor\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e11–15 VDC nominal \/ 6–16 VDC operating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e211.6 × 130 × 49 mm (8.3 × 5.1 × 1.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eSX 165 NEO Front Speakers\u003c\/h3\u003e\n\u003cdiv class=\"gbs-spec-table-wrap\"\u003e\u003ctable class=\"gbs-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Model\u003c\/td\u003e\n\u003ctd\u003eHertz SPL Show SX 165 NEO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Type\u003c\/td\u003e\n\u003ctd\u003e6.5-inch (165mm) two-way SPL coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eOne pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Handling\u003c\/td\u003e\n\u003ctd\u003e100W continuous \/ 200W peak per speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e96.5dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e100Hz–20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Voice Coil\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter\u003c\/td\u003e\n\u003ctd\u003e35mm (1.4 in) neodymium PEI dome with resettable protection circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnets\u003c\/td\u003e\n\u003ctd\u003eN38H neodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eWater-repellent pressed paper with anti-UV treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eDouble Faston terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eSX 690 H NEO Rear Speakers\u003c\/h3\u003e\n\u003cdiv class=\"gbs-spec-table-wrap\"\u003e\u003ctable class=\"gbs-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Model\u003c\/td\u003e\n\u003ctd\u003eHertz SPL Show SX 690 H NEO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Type\u003c\/td\u003e\n\u003ctd\u003e6×9-inch three-way coaxial (1.4-in dome tweeter + 1-in dome super tweeter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eOne pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Handling\u003c\/td\u003e\n\u003ctd\u003e130W continuous \/ 260W peak per speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e94dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e45Hz–24kHz (Hertz published)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Voice Coil\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnets\u003c\/td\u003e\n\u003ctd\u003eN38H neodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eWater-repellent pressed paper with anti-UV treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter Protection\u003c\/td\u003e\n\u003ctd\u003eResettable solid-state protection circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eDouble Faston terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-plain\"\u003e\u003ch2\u003eRecommended System Planning\u003c\/h2\u003e\n\u003cp\u003eThe HD-A2B module handles the factory A2B signal and the HHP14 cable powers the SP 4.900. The Hog Badges dress the speaker grilles with Hertz branding.\u003c\/p\u003e\n\u003cp\u003eWe install 2024-Present Harley audio at our Taylors, SC shop. A2B integration is where most DIY problems start, so call us before you begin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGain setting matters:\u003c\/strong\u003e At 4Ω the SP 4.900 is rated for 160W RMS per channel, which is more than the continuous rating of every speaker in this kit. Set the gains so each channel stays inside the speaker's continuous rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm your audio package:\u003c\/strong\u003e Check whether your bike has the Stage 3 or Base audio package before ordering. The two kits are not interchangeable.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-mix\"\u003e\u003ch2\u003eWhat to Pair With the HSP3-24 A2B S3\u003c\/h2\u003e\n\u003cp\u003eEverything to run the kit is in the box. These are the same parts sold on their own, plus power support.\u003c\/p\u003e\n\u003cdiv class=\"gbs-grid\"\u003e\n\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003e\u003ca href=\"\/products\/hertz-2000w-sp4-900-advanced-motorcycle-class-d-amplifier\"\u003eHertz SP 4.900 Amplifier\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp\u003eThe IP55 four-channel amplifier used in every Hertz sound pack, sold on its own.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003e\u003ca href=\"\/products\/hertz-spl-show-sx-165-neo\"\u003eHertz SX 165 NEO 6.5-inch Coaxials\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp\u003eThe fairing coaxial pair from this kit, sold separately as a replacement or spare pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003e\u003ca href=\"\/products\/hertz-audio-spl-show-sx-690-h\"\u003eHertz SX 690 H 6x9 Speakers\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 6x9 three-way pair used in the 2024-Present Hertz kits, sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003e\u003ca href=\"\/collections\/motorcycle-batteries\"\u003eMotorcycle Audio Batteries\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp\u003eBattery upgrades for builds that run the amplifier hard. Ask us whether your charging system needs one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-plain\"\u003e\u003ch2\u003eRelated Hertz \u0026amp; Motorcycle Audio Paths\u003c\/h2\u003e\n\u003cp\u003eBuild around the right parts for a 2024-Present A2B bike.\u003c\/p\u003e\n\u003cul class=\"gbs-list\"\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hertz\"\u003eShop Hertz Motorcycle Audio\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/23-cvo-24-plug-and-play-kits\"\u003e2024-Present Harley Plug and Play Kits\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/2023-5-harley-davidson\"\u003e2024-Present Harley-Davidson Audio\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/motorcycle-audio-installation-taylors-sc\"\u003eMotorcycle Audio Installation in Taylors, SC\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/get-a-custom-build\"\u003eRequest a Custom Audio Build\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"gbs-grid gbs-mix\"\u003e\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003eBest Use for the HSP3-24 A2B S3\u003c\/h3\u003e\n\u003cp\u003e2024-Present bikes equipped with the factory Stage 3 audio package that want Hertz speakers and amplification while keeping the factory A2B radio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-half\"\u003e\n\u003ch3\u003eBuilt Around Real Motorcycle Audio\u003c\/h3\u003e\n\u003cp\u003eThe HD-A2B module handles the digital signal, and the IP55 SP 4.900 handles the power. The Hog Badges finish the grilles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"gbs-card gbs-plain gbs-faq\"\u003e\u003ch2\u003eHertz HSP3-24 A2B S3 FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat comes in the HSP3-24 A2B S3 kit?\u003c\/h3\u003e\n\u003cp\u003eThe HD-A2B module, SP 4.900 amplifier, SX 165 NEO coaxial speakers, SX 690 H NEO 3-way speakers, HHP14 power and ground cable, and Hog Badges for the front and rear speaker grilles.\u003c\/p\u003e\n\u003ch3\u003eWhich audio package is this kit for?\u003c\/h3\u003e\n\u003cp\u003eBikes equipped with the factory Stage 3 audio package. Bikes with the Base audio package use the HSP3-24 A2B Base.\u003c\/p\u003e\n\u003ch3\u003eIs a saddlebag lid kit included?\u003c\/h3\u003e\n\u003cp\u003eNo. The S3 version does not include a lid kit. The HSP3-24 A2B Base includes the HD24H saddlebag lid kit with speaker harness.\u003c\/p\u003e\n\u003ch3\u003eWhat impedance are the speakers?\u003c\/h3\u003e\n\u003cp\u003eAll four speakers are 4 ohms.\u003c\/p\u003e\n\u003ch3\u003eWhat is the HD-A2B module?\u003c\/h3\u003e\n\u003cp\u003eThe HD-A2B is the Hertz A2B digital interface included in the kit. It connects the SP 4.900 to the factory A2B audio system on 2024-Present Harley-Davidson models.\u003c\/p\u003e\n\u003ch3\u003eIs the amplifier power wiring included?\u003c\/h3\u003e\n\u003cp\u003eYes. The HHP14 power and ground cable for the SP 4.900 is included.\u003c\/p\u003e\n\u003ch3\u003eHow much power does the SP 4.900 make?\u003c\/h3\u003e\n\u003cp\u003eHertz rates the SP 4.900 at 160W RMS × 4 at 4Ω, 250W RMS × 4 at 2Ω and 500W RMS × 2 bridged at 4Ω, 1000W RMS total at 14.4V.\u003c\/p\u003e\n\u003ch3\u003eCan the amplifier overpower the speakers?\u003c\/h3\u003e\n\u003cp\u003eYes, if the gains are set too high. The SP 4.900 is rated 160W RMS per channel at 4 ohms, while the SX 165 NEO is rated 100W continuous and the SX 690 H 130W continuous.\u003c\/p\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What comes in the HSP3-24 A2B S3 kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The HD-A2B module, SP 4.900 amplifier, SX 165 NEO coaxial speakers, SX 690 H NEO 3-way speakers, HHP14 power and ground cable, and Hog Badges for the front and rear speaker grilles.\"}},{\"@type\":\"Question\",\"name\":\"Which audio package is this kit for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Bikes equipped with the factory Stage 3 audio package. Bikes with the Base audio package use the HSP3-24 A2B Base.\"}},{\"@type\":\"Question\",\"name\":\"Is a saddlebag lid kit included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The S3 version does not include a lid kit. The HSP3-24 A2B Base includes the HD24H saddlebag lid kit with speaker harness.\"}},{\"@type\":\"Question\",\"name\":\"What impedance are the speakers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"All four speakers are 4 ohms.\"}},{\"@type\":\"Question\",\"name\":\"What is the HD-A2B module?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The HD-A2B is the Hertz A2B digital interface included in the kit. It connects the SP 4.900 to the factory A2B audio system on 2024-Present Harley-Davidson models.\"}},{\"@type\":\"Question\",\"name\":\"Is the amplifier power wiring included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The HHP14 power and ground cable for the SP 4.900 is included.\"}},{\"@type\":\"Question\",\"name\":\"How much power does the SP 4.900 make?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Hertz rates the SP 4.900 at 160W RMS × 4 at 4Ω, 250W RMS × 4 at 2Ω and 500W RMS × 2 bridged at 4Ω, 1000W RMS total at 14.4V.\"}},{\"@type\":\"Question\",\"name\":\"Can the amplifier overpower the speakers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if the gains are set too high. The SP 4.900 is rated 160W RMS per channel at 4 ohms, while the SX 165 NEO is rated 100W continuous and the SX 690 H 130W continuous.\"}}]}\u003c\/script\u003e\u003csection class=\"gbs-card gbs-closing\"\u003e\u003ch2\u003eNeed Help Choosing?\u003c\/h2\u003e\n\u003cp\u003eTell us your bike, model year and what you want to add, and we will confirm fitment and the right parts before you order.\u003c\/p\u003e\n\u003cdiv class=\"gbs-btn-row\"\u003e\n\u003ca class=\"gbs-btn-primary\" href=\"tel:8643346131\"\u003eCall 864-334-6131\u003c\/a\u003e\u003ca class=\"gbs-btn-primary\" href=\"\/pages\/get-a-custom-build\"\u003eStart a Build Consultation\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003c\/section\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":67875425157346,"sku":"HSP3-24 A2B S3","price":2287.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1929\/9923\/files\/Hertz_SP4900_amp_emo_99b9d0b0-aebb-4561-97bf-0cadaaa26146.jpg?v=1793664794","url":"https:\/\/garagebaggerstereo.com\/products\/hertz-hsp3-24-a2b-s3-4-speaker-kit-2024-present-harley-stage-3","provider":"Garage Bagger Stereo","version":"1.0","type":"link"}