Music fans who attend live concerts know well the emotions that low undistorted frequencies without dynamic compression can arouse. For this reason, the HertzAudioVideo R&D created ML 2000.3 Legend car audio subwoofer.
Buyer confidence
88%Highlights
- Extraordinary large neodymium magnet, optimized with FEA simulations, to ensure magnetic field stability even under high excursion.
- Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels.
- Voice coil internal magnet with high size / performance ratio, for maximum efficiency.
- CCAW, 100 mm (4”) voice coil, capable of handling 1400 W musical power, keeping the working temperature very low, reducing dynamic compression to the minimum.
Key specs
Full specs- Size mm (in.)
- 200 (8)
- Power Handling - Continuous W
- 700
- Power Handling - Peak W
- 1400
- Impedance Ohm
- 4
- Voice Coil Type
- single
- No Filter Component
- Subwoofers
- Voice Coil Ø
- 100 (4)
- Frequency Response Hz
- 30 ÷ 600
Key specs
Full specs- Size mm (in.)
- 200 (8)
- Power Handling - Continuous W
- 700
- Power Handling - Peak W
- 1400
- Impedance Ohm
- 4
Highlights
Overview- Extraordinary large neodymium magnet, optimized with FEA simulations, to ensure magnetic field stability even under high excursion.
- Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels.
- Voice coil internal magnet with high size / performance ratio, for maximum efficiency.
Overview
Key features
- Extraordinary large neodymium magnet, optimized with FEA simulations, to ensure magnetic field stability even under high excursion.
- Very low carbon content CNC machined plates, for maximum magnetic permeability and low distortion at high power levels.
- Voice coil internal magnet with high size / performance ratio, for maximum efficiency.
- CCAW, 100 mm (4”) voice coil, capable of handling 1400 W musical power, keeping the working temperature very low, reducing dynamic compression to the minimum.
- Voice coil wound with In/Out method, for even cooling of the different coil layers.
- Voice coil wound on TIL former: this material made from fibreglass combines the heat dissipation properties of aluminium with the stiffness of Polyamide composites, for a no-compromise acoustic performance.
- Central pole featuring “Aluminium Shorting Ring”, for minimum distortion and maximum extension at low frequency.
- “Boundary Free” IIR rubber surround, for higher SPL performance than other subwoofers with same external diameter.
- Exponential V-cone® with optimized geometry for high cone stiffness and strong resistance to deformation even at maximum excursions.
- Mineral-injected paper cone, for superior rigidity and damping.
- Very acoustically transparent anti-resonant aluminium alloy basket featuring six-spoke self-standing structure and built-in venting holes underneath the spider.
- CNC machined elegant diamond-cut basket edge featuring the Hertz logo.
Specs
Technical Specs
| Size mm (in.) | 200 (8) |
| Power Handling - Continuous W | 700 |
| Power Handling - Peak W | 1400 |
| Impedance Ohm | 4 |
| Voice Coil Type | single |
| No Filter Component | Subwoofers |
| Voice Coil Ø | 100 (4) |
| Frequency Response Hz | 30 ÷ 600 |
| Magnet size D x d x h mm (in.) | 95 x 28 x 5 (3.7 x 1.1 x 0.2) |
| Weight of one component kg (lb.) | 6,120 (13.5) |
| Magnet | Neodymium |
| Cone | Pressed-pulp cone with mineral powders |
| Xmech mm (in.) | ±23 (0.9) |
Electro-acoustic Specs
| D mm | 165 |
| Xmax mm | 13 |
| Re Ohm | 2,7 |
| Fs Hz | 40 |
| Le mH | 0,72 |
| Vas I | 9,5 |
| Mms g | 110 |
| Cms mm/N | 0,15 |
| BL T*m | 11 |
| Qts | 0,56 |
| Qes | 0,63 |
| Qms | 5 |
| Spl dB | 86 |
Physical Specs

| A | 217 mm | 8.54 in. |
| B | 185 mm | 7.28 in. |
| C | 138 mm | 5.43 in. |
| D | 117 mm | 4.6 in. |
| E | 223 mm | 8.78 in. |
| F | 46 mm | 1.8 in. |
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Enclosures / Box Advisor

Sealed - Compact
Best performance / space ratio. Enclosure size similar to that of a side trunk installation.
- Vb l(cu.ft.)
- 17 (0.60)
- Fb Hz
- 50
- Qtc
- 0,85
- W mm(in.)
- 450 (17.72)
- H mm(in.)
- 350 (13.78)
- D mm(in.)
- 190 (7.48)
- Mounting Hole - M
- 236 (9.29)
- Wood Thickness
- 19 (0.75)
- A mm(in.)
- 320 x 280 (12.60 x 11.02) Qty 2
- B mm(in.)
- 320 x 152 (12.60 x 7.48) Qty 2
- C mm(in.)
- 242 x 152 (11.02 x 7.48) Qty 2
| Box Tech Data - Sealed Box | |
|---|---|
| Vb l(cu.ft.) | 17 (0.60) |
| Fb Hz | 50 |
| Qtc | 0,85 |
| W mm(in.) | 450 (17.72) |
| H mm(in.) | 350 (13.78) |
| D mm(in.) | 190 (7.48) |
| Mounting Hole - M | 236 (9.29) |
| Wood Thickness | 19 (0.75) |
| Panels Cut List - Sealed Compact | ||
|---|---|---|
| A mm(in.) | 320 x 280 (12.60 x 11.02) | Qty 2 |
| B mm(in.) | 320 x 152 (12.60 x 7.48) | Qty 2 |
| C mm(in.) | 242 x 152 (11.02 x 7.48) | Qty 2 |

Sealed - Performance
Suggested for a tight yet solid audiophile bass. Use of subsonic filter is advisable for clean reproduction in the lower range (10Hz – 24 dB Oct.)
- Vb l(cu.ft.)
- 17 (0.6)
- Fb Hz
- 50
- Qtc
- 0,70
- W mm(in.)
- 350 (13.78)
- H mm(in.)
- 300 (11.81)
- D mm(in.)
- 250 (9.84)
- Mounting Hole - M
- 186 (7.32)
- Wood Thickness
- 19 (0.75)
- A mm(in.)
- 350 x 300 (13.78 x 11.81) Qty 2
- B mm(in.)
- 350 x 212 (13.78 x 9.84) Qty 2
- C mm(in.)
- 262 x 212 (11.81 x 9.84) Qty 2
| Box Tech Data - Sealed Performance | |
|---|---|
| Vb l(cu.ft.) | 17 (0.6) |
| Fb Hz | 50 |
| Qtc | 0,70 |
| W mm(in.) | 350 (13.78) |
| H mm(in.) | 300 (11.81) |
| D mm(in.) | 250 (9.84) |
| Mounting Hole - M | 186 (7.32) |
| Wood Thickness | 19 (0.75) |
| Panels Cut List - Sealed Performance | ||
|---|---|---|
| A mm(in.) | 350 x 300 (13.78 x 11.81) | Qty 2 |
| B mm(in.) | 350 x 212 (13.78 x 9.84) | Qty 2 |
| C mm(in.) | 262 x 212 (11.81 x 9.84) | Qty 2 |
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