Customer service: Mon.–Sat. • 9:30 a.m.–12 p.m. / 1:30 p.m.–6 p.m. • 09 85 13 66 35

Current promotions! Discover our leading brands at reduced prices!

🚛 Expédition sous 2-3 semaines ouvrés 600 WATTS RMS
12% off
DD audio  |  SKU: SL612-D4

Shallow-mount Subwoofer DD Audio SL612 D4

€245.52 €279.00
Tax included Shipping calculated at checkout.

Pre-order - Lead times and availability

Enjoy 5% off pre-order products, automatically applied at checkout.

Offer not valid on MTX Audio, Alpine, Focal, Pioneer, Kenwood, Dynavin, JVC and JBL products.

How to understand the displayed delivery times?

For greater transparency, we display the availability of each product in a box at the top of its product page:

  • 🟢 In stock: product available in our warehouse, ready to be shipped.
  • 🟠 Pre-order – X business days: average time to receive the product in our warehouse before it is shipped to you.

Delivery times are estimates and may vary depending on suppliers and shipping.

We do our best to provide you with clear and reliable information so that you can order with full knowledge of the situation.

Upon receipt of the product, your order is automatically prepared and shipped. You will receive tracking information by email.

Need fast delivery? Choose "In stock" products.

Free delivery from €49*

🚚 Free delivery on orders over €49 with Chronopost Économique to a pickup point (estimated delivery time of 4 to 10 business days).

Please note: some heavy or bulky parcels cannot be delivered to a pickup point and may require a contribution towards shipping and handling costs.

These costs are automatically calculated and displayed in your cart before you confirm your order.

Other faster delivery methods are also available depending on the products and your delivery address.

Delivery information

📦 Preparation and shipping

In-stock products ordered before 12 p.m. are generally shipped the same day. After 12 p.m., shipping generally takes place on the next business day.

Pickups are available Monday through Friday, excluding holidays.

🚚 Our delivery methods

  • Chronopost Économique pickup point: free delivery with purchases of €49 or more (4 to 10 business days).
  • Chronopost 24h pickup point: fast delivery to a pickup point.
  • 24h home delivery: our only home delivery option. Please note that this delivery method is not considered a guaranteed express delivery.

Delivery times begin once the carrier has accepted the package and are provided as estimates in business days.

Important: check that your product is listed as "In stock" on its product page. For pre-orders, shipping takes place only after the product has been received at our warehouse.

Some heavy or bulky packages may incur additional shipping and handling fees, which are automatically displayed in your cart.

⚠️ Receiving your package

Check the condition of your package before accepting it. In the event of damage, make specific reservations with the carrier or refuse the package if necessary.

If you experience any problems, please contact our customer service team promptly.

Advisory Service

Unsure about choosing a product or its compatibility? Our team is here to help!

📞 Phone: 09 85 13 66 35

💬 Live chat: directly on our website.

🕒 Our hours:

  • Tuesday to Saturday
  • Mornings: 9:30 am – 12:00 pm
  • Afternoons: 1:30 pm – 6:00 pm

Need help choosing your equipment?

Our advisors can guide you and even prepare your cart directly via chat, with products tailored to your needs.

💪 Take advantage of our technical expertise to order with complete confidence!

The Sound Auto Concept Team

Description

Extra flat subwoofer DD Audio SL612 D4

🔊 DD Audio SL612 D4 – 12" 2x4 Ohm Slim Subwoofer

The DD Audio SL612 D4 is a 12-inch (30 cm) slim subwoofer specifically designed to deliver powerful and precise bass, even in the most compact configurations. Thanks to its low-profile design, it easily integrates into shallow enclosures while guaranteeing sound performance worthy of the most demanding installations.


✅ Main Features:

  • Size: 12″ (30 cm)

  • Type: Low-profile Subwoofer

  • Impedance: D4 – Dual 4 Ohm Voice Coil (2 x 4 Ω)

  • RMS Power: 300 – 600 W

  • Max Power: 1200 W Peak

  • Voice Coil: 2.5″ (High Temperature)

  • Surround: EROM (Extended Range Of Motion)

  • Spider: Dual-layer System for Better Dynamic Control

  • Diaphragm: Flat Triple-Layer, Increased Rigidity

  • Magnet: 72 oz Ferrite

  • Ventilation: Optimized via Backplate

  • Frame: DD Audio Signature Cast Aluminum, Robust and Lightweight


📊 Technical Data (T/S Parameters):

  • Fs (Resonant Frequency): 27 Hz

  • Qms: 7.906

  • Qes: 0.432

  • Qts: 0.409

  • Vas: 68.349 liters

  • Xmax: 14.5 mm

  • Xmech: 40 mm


📐 Dimensions:

  • Outer Frame Diameter: 31.9 cm

  • Diameter with Gasket: 32.5 cm

  • Mounting Diameter: 28.7 cm

  • Mounting Depth: 10.5 cm

  • Motor Diameter: 16.5 cm

  • Motor Depth: 3.8 cm

  • Woofer Displacement: 0.06 L

  • Shipping Weight: 8 kg


📦 Enclosure Recommendations:

  • Sealed Enclosure: 22.5 to 42 liters

  • Ported Enclosure: 28 to 50 liters


💥 The SL612 D4 is the ideal solution for car audio enthusiasts seeking serious performance in a slim form factor. A subwoofer that delivers the DD Audio sound signature, even in tight spaces.

Very popular at the moment
Many people are looking at this product right now.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Bizum
  • BLIK
  • Cartes Bancaires
  • EPS
  • Google Pay
  • Mastercard
  • MB WAY
  • MobilePay
  • PayPal
  • Satispay
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store your credit card details and do not have access to your credit card information.

Subwoofer  extra plat    DD Audio SL612 D4 - Sound Auto Concept
DD audio

Shallow-mount Subwoofer DD Audio SL612 D4

€245.52 €279.00

Extra flat subwoofer DD Audio SL612 D4

🔊 DD Audio SL612 D4 – 12" 2x4 Ohm Slim Subwoofer

The DD Audio SL612 D4 is a 12-inch (30 cm) slim subwoofer specifically designed to deliver powerful and precise bass, even in the most compact configurations. Thanks to its low-profile design, it easily integrates into shallow enclosures while guaranteeing sound performance worthy of the most demanding installations.


✅ Main Features:


📊 Technical Data (T/S Parameters):


📐 Dimensions:


📦 Enclosure Recommendations:


💥 The SL612 D4 is the ideal solution for car audio enthusiasts seeking serious performance in a slim form factor. A subwoofer that delivers the DD Audio sound signature, even in tight spaces.

View product