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DS18 is a leading manufacturer in Mobile, Marine & Home Electronic equipment
based in Miami, FL. With a "Never-Stop-Innovating" attitude, we create the
most state of the art products in the market.
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BLACK DIAMOND DIA-R12D4 12" Car Audio Subwoofer 1200W Dual Voice Coil 4+4 Ohms

Item Description

DIA-R12D4

12” Dual 4+4 Ohm High-Performance Car Subwoofer

Black Diamond’s DIA-R12D4, a 12” dual voice coil subwoofer, is crafted to set a new benchmark in high-performance car audio!

This high-performance car subwoofer features a nominal diameter of 12”, delivering powerful bass response that’s sure to transform your vehicle’s audio. The frequency response range of 20Hz - 300Hz captures the deepest bass tones, while the 2.5” aluminum voice coil optimizes heat dissipation for sustained high performance. With a robust dual 4+4 ohm impedance configuration, this subwoofer offers unmatched flexibility for custom installations, allowing you to create your perfect soundstage.

The DIA-R12D4 has an impressive 600W RMS and a staggering 1200W peak power handling, guaranteeing premium low-end performance. Its non-pressed paper cone and foam surround are designed for superior sound accuracy, providing you with the cleanest and most powerful bass tones. The ferrite magnet and black steel basket further enhance its stability and reliability, guaranteeing its quality never fades!

Experience the best in bass with the DIA-R12D4!

General Specifications 

Nominal Diameter: 12" / 304mm 
Nominal Impedance: 4 + 4 Ohms 
RMS Power Handling: 600 Watts 
MAX Power Handling: 1200 Watts 
Sensitivity (1w/1m): 84.7 dB 
Frequency Response: 20Hz – 300Hz 
Recommended Low Pass Crossover: 80Hz 

Motor 

Voice Coil Diameter: 2.5" / 63.5mm 
Voice Coil Former Material: Aluminum 
Winding Material: CCAW 
Cone Material: Paper 
Dust Cap: Paper 
Surround Material: Foam 
Basket Material: Steel 
Basket Color - Finish: Black 
Magnet Material: Ferrite 
Magnet Weight: 100 oz 
Displacement Volume: 1.9L / 0.07 ft³ 

Thiele & Small Parameters 

Equivalent Volume (Vas): 36.37L / 1.28 ft³ 
Excursion (Xmax): 13.5mm 
Free Air Resonance (Fs): 30Hz 
Mechanical Q (Qms): 4.528 
Electrical Q (Qes): 0.529 
Total Q (Qts): 0.473 
Moving Mass (Mms): 237.6g 
Compliance (Cms): 0.115 mm/N 
Bl Factor: 24.865 
Voice Coil Inductance (Le): 0.7106 mH 
Diaphragm Area (Sd): 471.25 cm² 
DC Resistance (Re): 3.6 + 3.6 Ohms 
Efficiency Bandwidth Product (EBP): 56.7 

Measurements 

Overall Diameter: 12.6" / 320mm 
Overall Depth: 7.75" / 197mm 
Front Mount Baffle Cutout: 10.86" / 276mm 
Mounting Depth: 6.6" / 168mm 
Motor Diameter: 6.14" / 156mm 

Recommended Enclosures 

Sealed Box Internal Volume: 28.3L / 1 ft³ 
Sealed Box Output (F3): 45Hz 
Ported Box Internal Volume: 56.6L / 2 ft³ 
Port Size (WxHxL): 1.18" x 12.6" x 14.17" (30 x 320 x 360mm) 
Port Tuning Frequency (Fb): 32Hz 
Ported Box Output (F3): 27Hz

About Us

About us

DS18 is a leading electronics manufacturer specializing in Mobile, Marine & Home Electronic equipment with its headquarters in Miami, FL, USA. DS18 was created and developed by a team of young and determined professionals who understand the needs in today's audio industry.

Offering several series of amplifiers, speakers, subwoofers, tweeters, midranges, cables, accessories, component sets and much more DS18 guarantees to satisfy customers seeking a wide assortment of products.

  

WHO WE ARE?

The DS18 brand stands out from other lines in its progressive design and never-stop-innovating attitude. Our team takes your feedback as a command to constantly improve and keep-up with all new trends in order to deliver the most technologically up-to-date products in the market. We are here to revolutionize the market capitalizing on what the other guys failed to do right: Delivering a Sophisticated, trendy product line that people demand and love (and continue doing so on a regular basis). We promise to never stop refreshing our product lines with the coolest designs and technology available so you can always have the most outstanding products technology can offer. Think of DS18 as that new cool kid in the block that makes all the old-school brands uneasy.

We do that with your feedback and our creativity, quality, pricing, and kick-ass "never-stop-innovating" attitude.

Payment

Payment must be received before any shipments are dispatched.

Shipping

DS18 offers FREE shipping for customers with a valid residential or commercial address within the Contiguous 48 United States (PO Boxes address may require an additional fee).

We try to ship all orders within 24 hours of approved payment, in some cases orders may take a little longer to ship. We are closed during the weekend and all major holidays.


Terms

New

All New DS18 products are sold with a 1-Year Limited Manufacturer Defect Warranty.


Refurbished

All Refurbished DS18 products hold a 30-Day Warranty.


Certified Refurbished

For all Certified Refurbished orders eBay includes a FREE 2-year Allstate warranty.

Returns

New or Refurbished Returns

For all regular refurbished or new items we accept returns within 30 days of purchase. Shipping must be paid by the buyer and a restocking fee may be applied if item is returned in a materially different condition than it was shipped out. This includes the item, accessories, and packaging.

Certified Refurbished Returns

All certified refurbished products have a 30 day return policy and we will send a pre-paid shipping label for all returns.

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