{"product_id":"hertz-mille-pro-mp-300-d2-3-d4-3-12-zoll-subwoofer","title":"Mille Pro MP 300 D2.3 \/ D4.3","description":"\u003ch2\u003eHertz Mille Pro MP 300 D2.3 \/ D4.3 - 12-inch Subwoofer for Controlled Deep Bass in the Car\u003c\/h2\u003e\n\u003cp\u003eThe Hertz Mille Pro MP 300 D2.3 \/ D4.3 is a 12-inch subwoofer that combines high sound pressure with clean control in compact enclosures. With 600 W RMS and 1200 W Peak, a powerful ferrite motor, and a 65mm CCAW voice coil, it delivers deep, precise bass – ideal for sealed enclosures from 27 liters or as a bass reflex setup for more depth. You choose between D2.3 (2+2 Ω) and D4.3 (4+4 Ω) for the appropriate amplifier connection.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12-inch DVC subwoofer: optionally 2+2 Ω (D2.3) or 4+4 Ω (D4.3) for flexible wiring\u003c\/li\u003e\n\u003cli\u003e600 W RMS \/ 1200 W Peak – thermally stable thanks to 65 mm, 4-layer CCAW voice coil\u003c\/li\u003e\n\u003cli\u003eTIL-P voice coil former with rear ventilation for efficient cooling and low mechanical losses\u003c\/li\u003e\n\u003cli\u003eV-shaped, rigid paper cone (water-repellent, mineral-reinforced) for low-distortion excursion\u003c\/li\u003e\n\u003cli\u003eIIR rubber surround without limiting edge for high linear excursion (Xmax 17 mm, Xmech ±27 mm)\u003c\/li\u003e\n\u003cli\u003eLow-resonance aluminum basket with large-area ventilation under the spider\u003c\/li\u003e\n\u003cli\u003eSolid terminal block for up to 8 AWG, covered against short circuit\u003c\/li\u003e\n\u003cli\u003eCompact high-performance motor made of high-density ferrite – designed for small, dense enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inches)\u003c\/li\u003e\n\u003cli\u003ePower handling (RMS\/Peak): 600 W \/ 1200 W\u003c\/li\u003e\n\u003cli\u003eImpedance (DVC): 4+4 Ω \/ 2+2 Ω\u003c\/li\u003e\n\u003cli\u003eVoice coil: Ø 65 mm (2.5 inches), 4-layer\u003c\/li\u003e\n\u003cli\u003eMagnet size (W x D x H): 165 x 75 x 35 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 8.63 kg\u003c\/li\u003e\n\u003cli\u003eMagnet: high-density ferrite\u003c\/li\u003e\n\u003cli\u003eCone: water-repellent pressed paper\u003c\/li\u003e\n\u003cli\u003eXmech: ±27 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectro-acoustic Parameters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEffective diameter (D): 260 mm\u003c\/li\u003e\n\u003cli\u003eXmax: 17 mm\u003c\/li\u003e\n\u003cli\u003eRe: 1.9 Ω\u003c\/li\u003e\n\u003cli\u003eFs: 24 Hz\u003c\/li\u003e\n\u003cli\u003eLe: 1.6 mH\u003c\/li\u003e\n\u003cli\u003eVas: 74 l\u003c\/li\u003e\n\u003cli\u003eMms: 235 g\u003c\/li\u003e\n\u003cli\u003eCms: 0.19 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL: 12 T·m\u003c\/li\u003e\n\u003cli\u003eQts: 0.42 | Qes: 0.45 | Qms: 5.9\u003c\/li\u003e\n\u003cli\u003eSPL: 86 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA: 321 mm\u003c\/li\u003e\n\u003cli\u003eB: 287 mm\u003c\/li\u003e\n\u003cli\u003eC: 187 mm\u003c\/li\u003e\n\u003cli\u003eD: 164 mm\u003c\/li\u003e\n\u003cli\u003eE: 327.5 mm\u003c\/li\u003e\n\u003cli\u003eF: 59 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnclosure Recommendations\u003c\/h3\u003e\n\u003cp\u003eThe MP 300 D2.3 \/ D4.3 was developed for compact, sealed enclosures from 27 liters and plays particularly controlled in them. For more depth, a bass reflex enclosure is suitable – here are the proven setups:\u003c\/p\u003e\n\n\u003ch3\u003eSealed Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInternal volume (Vb): 28 l (0.99 cu.ft.)\u003c\/li\u003e\n\u003cli\u003eSystem resonance (Fb): 48 Hz\u003c\/li\u003e\n\u003cli\u003eQtc: 0.82\u003c\/li\u003e\n\u003cli\u003eExternal dimensions (W x H x D): 450 x 360 x 280 mm\u003c\/li\u003e\n\u003cli\u003eMounting cut-out: 287 mm\u003c\/li\u003e\n\u003cli\u003eMaterial thickness: 19 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePanel Cut – Sealed Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA: 450 x 360 mm – Quantity 2\u003c\/li\u003e\n\u003cli\u003eB: 450 x 242 mm – Quantity 2\u003c\/li\u003e\n\u003cli\u003eC: 322 x 242 mm – Quantity 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReflex Box (Bass Reflex)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInternal volume (Vb): 36 l (1.27 cu.ft.)\u003c\/li\u003e\n\u003cli\u003eTuning frequency (Fb): 33 Hz\u003c\/li\u003e\n\u003cli\u003eExternal dimensions (W x H x D): 620 x 390 x 330 mm\u003c\/li\u003e\n\u003cli\u003eMounting cut-out: 287 mm\u003c\/li\u003e\n\u003cli\u003eMaterial thickness: 19 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePanel Cut – Reflex Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA: 620 x 390 mm – Quantity 2\u003c\/li\u003e\n\u003cli\u003eB: 620 x 292 mm – Quantity 2\u003c\/li\u003e\n\u003cli\u003eC: 352 x 292 mm – Quantity 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures in Detail\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact design – optimized for sealed enclosures from 27 l\u003c\/li\u003e\n\u003cli\u003e65 mm CCAW voice coil (4-layer) with music power up to 1200 W; DVC 4 Ω + 4 Ω (D4.3) or 2 Ω + 2 Ω (D2.3)\u003c\/li\u003e\n\u003cli\u003eTIL-P former with ventilation behind the winding: better heat dissipation, high Qms\u003c\/li\u003e\n\u003cli\u003eExponential V-cone with high rigidity for low distortion at large excursion\u003c\/li\u003e\n\u003cli\u003eIIR rubber surround without limiting edge for more SPL with constant outer diameter\u003c\/li\u003e\n\u003cli\u003eMineral-reinforced paper cone: good combination of rigidity and damping\u003c\/li\u003e\n\u003cli\u003eLight, rigid aluminum basket with six spokes and ventilation under the spider\u003c\/li\u003e\n\u003cli\u003eDiamond-cut basket edge with subtle Hertz branding\u003c\/li\u003e\n\u003cli\u003eSolid terminal block for up to 8 AWG, with protective cover\u003c\/li\u003e\n\u003cli\u003eOptional wall mounting on the enclosure for best possible space utilization\u003c\/li\u003e\n\u003cli\u003eCompact high-performance motor with strong magnetic field at the coil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eChoose the impedance to match the amplifier: The D2.3 (2+2 Ω) can be wired in parallel for 1-Ω operation, for example, and the D4.3 (4+4 Ω) accordingly for 2-Ω or 8-Ω setups. In sealed 28-l enclosures, you get controlled and precise sound; in 36-l reflex enclosures with 33 Hz tuning, you get more depth. Suitable components and accessories can be found at Carhifi.shop.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"D2 (2x2 Ohm)","offer_id":52841089532240,"sku":"MP-300-D2.3","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"D4 (2x4 Ohm)","offer_id":52841089565008,"sku":"MP-300-D4.3","price":329.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3004\/7312\/files\/hertz-mille-pro-mp-300-d2_3-d4_3-12-30cm-subwoofer-d2-2x2-ohm-carhifi_shop-kaufen.webp?v=1774448696","url":"https:\/\/carhifi.shop\/en\/products\/hertz-mille-pro-mp-300-d2-3-d4-3-12-zoll-subwoofer","provider":"Carhifi Shop","version":"1.0","type":"link"}