Key Features

  • Designed for the Focal Impulse 4.320 4-channel amplifier
  • Plug & Play integration with OEM wiring
  • Dedicated channels for front speakers and subwoofer amplification
  • Twisted-core wiring to prevent interference
  • Factory-grade connectors for secure, clean installation
  • No soldering or modification required
  • Ideal for OEM head units (use standard kit for aftermarket systems)
  • Note: Harness is NOT compatible with factory amplified vehicles. To ensure correct compatibility, please contact your local Focal Authorized Dealer or reach out to us directly via the contact us tab.

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Official Australian stock supplied through the Authorised Focal Australia Dealer Network.

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Vehicle-specific installation solutions available for thousands of vehicles.

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Australia-wide shipping available through our network of Authorised Focal Australia Dealers.

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Backed by a 12-month Australian warranty, extended to 3 years when installed by an Authorised Focal Australia Dealer.

Expert Installation Available

Expert installation available through our Australia-wide Authorised Dealer Network.

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IW IMP 2.1 | Plug & Play Amplifier Harness for Impulse 4.320

 

Effortless Connectivity. OEM-Perfect Sound.

The Focal IW IMP 2.1 harness delivers seamless integration between the Focal Impulse 4.320 compact digital amplifier and your vehicle’s factory audio system. Designed for quick Plug & Play installation, it allows you to power your front speakers and subwoofers directly from the amplifier while preserving factory wiring integrity.

Developed with twisted-core conductors to eliminate signal interference, this harness ensures noise-free performance and precision sound reproduction. Its factory-grade connectors guarantee a perfect fit and make installation completely reversible — no soldering, no cutting, no compromise.

Ideal for compact, under-dash amplifier placement, the IW IMP 2.1 is the go-to connection solution for upgrading your OEM system with Focal’s signature power and clarity.

Focal IW IMP 2.1 HARNESS Compatible Vehicles

Alfa Romeo 4C, 8C, 147, 156, 159, Brera, Giulietta, Gt, Mito
Alpine A110 Pure
Audi A1, A2, A3, A4, A5, A6, A7, Q2, Q3, Q4 E-tron, Q5, Q7, TT
BYD Atto 2, Atto 3, Atto 4, D1, Dolphin, E2, E6, Ea1, F3, F3 R, F6, G3, G5, G6, Han, L3, S5 (song plus), S6, S7, Seal, Song, Song Max, Song Plus, Song PRO, Surui (replace f6), Tang, Yuan
Citroën Berlingo II (phase3), Berlingo III, C1, C3, C3 Aircross, C3 III, C3 IV, C3 suv, C4 Cactus, C4 Cactus II, C4 Grand Space Tourer, C4 II, C4 III, C4 Picasso I, C4 Space Tourer, C5 aircross, C5 II, C5 X, Jumpy III / IV, Space Tourer
Cupra Ateca cupra, Born, Formentor, Leon cupra, Leon sportourer cupra
Dacia Dokker Dokker Steepway, Dokker VU, Duster I, Duster II, Jogger, Lodgy, Lodgy Steepway, Logan I, Logan II, Logan III, Logan MCV I, Logan MCV II, Logan MCV II Steepway, Logan MCV III, Logan van, Sandero I, Sandero II, Sandero II Steepway, Sandero III, Sandero III Steepway
Daihatsu Ayla, Materia, Xenia III
Datsun Go, Go +, Go Cross
DS Automobiles DS3, DS3 Cabrio, DS3 Crossback, DS4, DS4 Crossback, DS5, DS7 Crossback, DS7 II, DS9
Ferrari 360, 599, 612 Scaglietti, F430
Fiat 124 spider, 500, 500 II, 500 L, 500 X, Albea, Bravo, Doblo, Doblo II, Freemont, Grande Punto, Idea, Linea, Nuovo Scudo, Panda, Qubo, Scudo, Scudo III, Stilo, Talento, Talento VU, Tipo, Ulysse
Ford B-Max, Bronco 4 doors, Bronco sport, C-Max, E-series, E-Transit Custom, Ecosport, Edge, Edge II, Endeavour II, Endeavour III, Endura, Equator, Escape, Escort, Everest II, Everest III, Evos, Expedition, Expedition Max, Explorer EV, Explorer V, Explorer VI, F-150, F-150 Raptor II, F-250, F-350, F-450 Super Duty, Fiesta VI, Fiesta VII, Figo, Figo aspire, Focus III, Focus IV, Focus IV Active, Freestyle india, Fusion, Galaxy II, Galaxy III, Ka +, Ka Sedan / Urban, kuga II, kuga III, Lobo, Maverick, Mondeo III, Mondeo IV, Mondeo V, Mustang Match E, Mustang VI, Mustang VI Convertible, Mustang VII, Puma II, Ranger III, Ranger III Raptor, Ranger III Simple Cab, Ranger III Super Cab, Ranger III Supercrew Cab, Ranger IV, Ranger IV Raptor, S-Max II, Sharp, Taurus VII, Territory, Tourneo Connect, Tourneo Connect II, Tourneo Courier, Tourneo Courier II, Tourneo Custom I Phase 1, Tourneo Custom I Phase 2, Tourneo Custom II, Transit Connect, Transit Connect II, Transit Courier, Transit Courier II, Transit Custom I phase 1, Transit Custom I phase 2, Transit Custom II, Transit Custom nugget/ trail, Transit Van
Geely Atlas, Borui, Boyue, Coolray, Emgrand X3, Emgrand x7 sport, GS, NL3, Tugella, Xingyue
Infiniti FX35, G, G35, I30, I35, M35/M45, Q45, Q45 / Q50, QX56
Isuzu Dmax, Mu-X II
Jaguar e-pace, F-pace, I-pace, XE, XF
Lada Largus Cross, Largus Universal, Largus Wagon VU, Vesta, Vesta Sw, Xray
Land Rover Defender II, Discovery sport, Evoque
Lexus CT, ES V, ES VI, ES VII, GS III, GS IV, GX, IS, IS II, IS III, IS IV, LBX, LM, LS IV, LS V, LX II, LX III, NX, NX II, RC F, RX, RX II/III, RX IV, RX L, UX
Lincoln Continental, Mkc, Mkt, Mkx, Mkz, Nautilus, Navigator
Mazda -2 II, -2 III, -2 IV hybrid, -3 Bm/Bn 5 Doors, -6 / atenza Japan, -6 GJ/ GL Sedan/ wagon, -6 sedan, Bt-50 II picK up, Bt-50 III picK up, Cx-3, Cx-5 I, Cx-5 II, Cx-9, Cx-60, Demio III, Mz-5 Miata ND, Mz-5 Miata RF /Fastback
Mercedes A Class, B Class, C Class, CLC Class, GLA Class, Sprinter, V Class, Vito
Mitsubishi Asx, Colt, Express (australia)
Nissan 350Z, 370Z, Almera IV, Almera V, Altima, Armada, Cube, Frontier, GT R, Juke, Kicks, Leaf, Liwie, March, Maxima, Micra, Murano, Navara d23 Double Cab, Navara d23 Simple Cab, Note, Np 200, Np 300, Nv 300, Nv 400, Pathfinder, Patrol y62, Pulsar, Qashqai II, Qashqai III, Qijun, Quest, Rogue, Rogue IV, Sentra / Sylphy, Serena, Teana, Terrano III, Terrano IV, Tiida, Titan I, Titan II, Townstar, Urvan, Vera, Versa N17, Versa N18, X-terra, X-trail III, X-trail IV
Opel Vauxhall Adam, Agila A, Agila B, Antara, Astra, Astra country tourer, Astra H, Astra J, Astra K, Astra sport tourer, Combo C, Combo D, Corsa C, Corsa D, Corsa E, Corsa F, Crossland X, Grandland X, Karl, Meriva A, Meriva B, Mokka, Mokka e, Movano B, Signum, Tigra, Vectra, Vivaro A, Vivaro B, Vivaro II, Vivaro II VU, Vivaro III VU, Zafira A, Zafira B, Zafira facelift, Zafira Life
Peugeot 107, 108, 206, 206 phase 2, 206+, 207, 207 CC, 207+, 208 3 Doors, 208 5 Doors, 208 II 5 Doors, 301, 307, 308, 308 CC, 308 III, 308 SW, 308 SW III, 406, 407, 407 Coupé, 408, 408 china, 508 I, 508 II 508 sw II, 508 II 508 sw II phase II, 508 RXH I, 508 SW I, 607, 807, 1007, 2008, 2008 II, 3008, 3008 II, 3008 III, 4007, 4008, 5008, E 208 II 5 Doors, E 2008 II, Expert I and II, Expert III VU, Partner I and II, Partner III, RCZ, Rifter, Traveler III
Pontiac Vibe
Proton X50, X70
Renault Alaskan, Arkana, Austral, Captur I Phase 1, Captur I Phase 2, Captur II, Clio II, Clio III, Clio IV, Clio IV ESTATE/GRANDTOUR, Clio IV Phase 1, Clio IV Phase 1 ESTATE/GRANDTOUR, Clio IV Phase 2, Clio IV Phase 2 ESTATE/GRANDTOUR, Clio V, Espace IV, Espace V, Fluence, Grand Scenic IV Intens, Grand Scenic IV Life/Zen/Business, Kadjar, Kangoo II and VU, Kangoo III and VU, Kaptur Russia, Koleos I, Koleos II, Laguna II, Laguna III, Latitude, Master III, Master III VU, Megane E tech, Mégane II, Mégane III – Except CC, Mégane III CC, Megane IV ESTATE Life/Business, Megane IV ESTATE Zen/Intens/GT, Megane IV Life/Business, Megane IV SEDAN, Megane IV Zen/Intens/GT, Modus, Scénic II, Scénic III, Scenic IV Intens, Scenic IV Life/Zen/Business, Scenic V E-tech, Taliant, Talisman, Talisman Estate grand tour, Trafic III, Trafic III VU, Twingo II, Twingo III, Vel Satis, Wind, Zoé
Samsung Qm3, Qm6, Sm3, Sm5, Sm6, Sm7, Xm3
Scion FRS, IA, IM, IQ, TC, XA, XB, XD
Seat Alhambra I, Alhambra II, Alhambra II face lift, Altea, Altea xl, Arona, Arosa, Ateca, Cordoba I, Cordoba II, Exeo, Ibiza III, Ibiza IV, Ibiza V, Leon I, Leon II, Leon III, Leon IV, Mii, Tarraco, Toledo II, Toledo III, Toledo IV
Skoda Citygo, Enyaq iv, Enyaq iv coupe, Fabia I, Fabia II, Fabia III, Fabia IV, Kamiq, Karoq, Kodiaq, Kushaq, Octavia, Octavia II, Octavia II Combi, Octavia III, Octavia IV, Rapid, Roomster, Salvia, Scala, Superb I, Superb II, Superb III, Yeti, Yeti II
Smart Forfour, Forfour 4 Doors, Fortwo, Fortwo brabus no jbl, Fortwo Cabriolet, Fortwo EV Electric
Subaru Ascent, Brz, Brz II, Crosstrek XV, Forester III, Forester IV, Forester V, Impreza III, Impreza IV, Impreza V, Legacy V, Legacy VI, Legacy VII, Levorg, Levorg II, Outback IV, Outback V, Outback VI, Solterra, Wrx /sti, Wrx /sti VA, XV e-boxer
Suzuki Across, Landy, Swace, Vitara
Toyota 4 Runner, Alphard Ah20 II, Alphard Ah30 III, Altis, Aqua, Auris I, Auris II, Auris TS, Avalon, Avanza III, Avensis T25, Avensis T27, Avensis Verso, Aygo FL, Aygo I, Aygo II, Aygo X, BZ3, BZ4X, C-Hr, Camry V, Camry VI, Camry VII, Camry VIII, Celica, Commuter, Corolla Axio, Corolla cross, Corolla GR, Corolla Hatchback, Corolla IX/ X Verso, Corolla quest, Corolla Touring, Corolla XI, Corolla XII, Crown kluger, Crown suv, Crown XV, Crown XVI suv, Echo, Esquire, Etios Liva, Fj Cruiser, Fortuner I, Fortuner II, Fortuner III, Frontlander, Glanza, GR86, GT86, GT86 II, Harrier II, Harrier III, Harrier IV, Hi-ace VI grandia tourer, Highlander, Highlander III / IV, Highlander IV, Hilux 7/8 gen, Hilux IX, Innova crysta, Innova hypercross, Innova II, Innova III AG10, IQ, Izoa, Kluger, Land Cruiser 100 series, Land Cruiser 200 series, Land Cruiser 300 series, Land Cruiser 400 series, Legender, Levin, Matrix, Mirai, MR2, Nav 1, Noah X, Passo, Prado, Prius C, Prius C crossover, Prius I, Prius II, Prius III, Prius IV, Prius V, Prius v +, Pro Ace, Pro Ace II, Pro Ace II Verso, Raize, Rav 4, Revo, Rush, Sequoia I, Sequoia II, Sequoia III, Sienna, Sienna II, Sienna III, Sienna IV, Sienta, Solara I, Solara II, Supra, Sw4, Tacoma, Tacoma Double Cab, Tacoma Simple Cab, Truckmasters OX, Tundra II Double Cab, Tundra II Double Cab / 2 Doors, Tundra II Double Cab / 4 Doors, Tundra III, Urban Cruiser, Vellfire Ah20, Vellfire Ah30, Veloz, Venza, Verso, Verso S, Vios, Vitz, Voxy, Wigo, Wildlander, Yaris, Yaris /vitz, Yaris Ativ, Yaris Cross, Yaris GR, Yaris IA sedan, Zenix
Volkswagen Amarok, Amarok II, Arteon, Arteon break, Atlas, Atlas cross sport, Beetle, Beetle III, Bora, Bora Variant, C-trec, Caddy III, Caddy IV, Caddy V, CC, Crafter, Crafter II, Eos, Fox, Gol, Golf 4, Golf 4 Variant, Golf 5, Golf 6, Golf 6 cabriolet, Golf 7, Golf 7 alltracks, Golf 8, Golf plus, Golf sportvan, ID buzz, ID buzz cargo, ID3, ID4, ID5, ID6 crozz / x, ID7 / ID7 break, Jetta V, Jetta VI, Jetta VII, Lamando, Lamando II, Lavida, Lavida plus, Lupo, Magotan, New Beetle, Nivus, Passat, Passat CC, Passat Variant, Phaeton, Phideon, Polo IV, Polo V, Polo VI, Polo VII, Sagitar II and III, Santana New, Scirocco III, Scirocco III Facelift, Sharan, Sharan II, Sharan II facelift, T-Cross, T-Roc, T-Roc cab, T-sport, T5 Multivan, T6 Multivan, T6.1 Multivan, T7 Multivan, Tacqua, Taigo, Taigun, Talagon, Taos, Taramont, Taramont x, Tarek, Tavendor, Tayron, Tharu, Tiguan I, Tiguan II, Tiguan III, Tiguan X, Touareg I, Touareg II, Touareg III, Touran, Touran II, Touran III, Up, Up E-Up, Vento, Viloran, Virtus
Volkswagen MAN Tge double cab, Tge utility and single cab

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