Description
DS18 ZR6.4D
The DS18 ZR6.4D is a 6.5-inch dual-voice-coil (DVC) car subwoofer engineered to deliver deep, punchy bass and strong low-frequency performance in compact car audio systems. With 300 W RMS and up to 600 W peak power handling, its dual 4 Ω voice coils (4+4 Ω) and 1.5″ high-strength aluminum voice coil provide efficient power transfer and flexibility for different amplifier setups. Built with a non-pressed paper cone, PPI dust cap, foam surround, and a 50 oz ferrite magnet mounted in a rugged matte black steel basket, the ZR6.4D produces controlled bass from approximately 38 Hz to 200 Hz with 82 dB sensitivity. Its recommended low-pass crossover around 160 Hz allows seamless integration with your existing system, and it performs well in both sealed and ported enclosures — making it a versatile choice for car audio enthusiasts seeking solid bass impact from a compact 6.5″ package.
Specifications
| Category | Specification |
|---|---|
| SKU | ZR6.4D |
| Nominal Diameter | 6.5″ / 165.1 mm |
| Nominal Impedance | 4 + 4 Ohm |
| RMS Power Handling | 300W |
| Maximum Power Handling | 600W |
| Sensitivity (1W/1m) | 82 dB |
| Frequency Response | 38–200 Hz |
| Recommended Lo Pass Crossover | 160 Hz |
Motor
| Parameter | Specification |
|---|---|
| Voice Coil Diameter | 1.5″ / 38.8 mm |
| Voice Coil Former Material | Aluminum |
| Winding Material | Copper |
| Cone Material | Non-Pressed Paper |
| Dust Cap Material | PPI |
| Surround Material | Foam |
| Basket Material | Steel |
| Basket Color/Finish | Black Matte |
| Magnet Material | Ferrite |
| Magnet Weight | 50 oz |
| Displacement Volume | 0.02 ft³ |
Thiele & Small Parameters
| Parameter | Specification |
|---|---|
| Equivalent Volume (Vas) | 2.79 L |
| Free Air Resonance (Fs) | 70 Hz |
| Mechanical Factor (Qms) | 3.611 |
| Electrical Factor (Qes) | 0.86 |
| Total Factor (Qts) | 0.695 |
| Moving Mass (Mms) | 44.6 g |
| Compliance (Cms) | 96.01 µm/N |
| Bl Factor (BI) | 6.53 |
| Voice Coil Inductance (Le) | 461.9 mH |
| Diaphragm Area (Sd) | 143 cm² |
| DC Resistance (Re) | 3.4 + 3.4 Ohm |
| Efficiency Bandwidth Product (EBP) | 81.4 |
Measurements
| Parameter | Specification |
|---|---|
| Overall Diameter | 6.75″ / 171.6 mm |
| Overall Depth | 4.23″ / 107.4 mm |
| Front Mount Baffle Cutout | 5.54″ / 140.8 mm |
| Mounting Depth | 3.49″ / 88.8 mm |
| Motor Diameter | 5.23″ / 133 mm |
| Gross Single Unit Weight | 7.5 lb |
| Dimensions (W x L x H) | 7.5 × 7.5 × 5.25 in |
| Quantity of Units in Master Carton | 4 |
| Gross Master Carton Weight | 30.5 lb |
| Master Carton Dimensions (W x L x H) | 16.75 × 8.25 × 11.25 in |
Product Overview
6.5” Car Subwoofer 600W 4-Ohm DVC
Introducing the DS18 ZR6.4D 6.5″ Car Subwoofer, a true powerhouse designed to deliver mind-blowing bass and precision performance.
The ZR subline is renowned for its exceptional performance, and the ZR6.4D is no exception. With a robust 600W of MAX power handling and 300W of RMS power handling, the ZR6.4D guarantees a spine-tingling audio experience that will leave you craving for more. Its 1.5-inch high-strength aluminum voice coil ensures that every note is delivered with precision and clarity, elevating your car audio system to new heights. Its 4+4 ohm dual voice coil configuration allows you to match your amplifier’s optimal impedance, providing maximum power transfer and efficiency.
With DS18’s ZR6.4D, you don’t just get exceptional performance; you also get unmatched style and unbreakable durability. The ZR6.4D features a strong stamped basket that not only provides structural integrity but also showcases show-quality DS18 logos on the frame, magnet boot, magnet, and dust cap. Its matte black finish adds a touch of elegance, making it a visually stunning addition to any car audio setup.
With a frequency response ranging from 38Hz to 200Hz and a sensitivity of 82 dB, the ZR6.4D captures every nuance of your music, delivering it with crystal-clear precision. The recommended low-pass crossover of 160Hz ensures seamless integration with your existing audio system, allowing your music to shine in all its glory.
With its striking design, exceptional performance, and versatility, the ZR6.4D is the perfect choice for car audio enthusiasts who demand nothing but the best.
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