Name: Sundown Audio
Address: Heinrich-Hertz-Straße 13A, 46325 Borken
Email: info@jr-labs.eu
Website: https://jr-labs.de/
European Manufacturer: No
Sundown X18 v4 - Individually / 2 Ohm is backordered and will ship as soon as it is back in stock.
✓ Free shipping on orders of €49 or more within Germany and on orders of €99 or more to the EU.
✓ Delivery times vary by product and can be found on the product page; typically 1–3 business days for in-stock items; international shipping times may vary, usually 6–10 business days.
✓ In most cases, shipments are handled by DHL, UPS, and GLS.
✓ Depending on the product and location, items may also be shipped via other carriers.
✓ A tracking number will be emailed once the shipment has been processed.
Standard Shipping Method
✓ 1–40 kg = DHL, UPS, and GLS
✓ 40.1–Maximum kg = Freight carrier
✓ Oversized items = freight carrier
✓ Shipments subject to customs duties = DHL, GLS, or freight forwarder
✓ Pickups are made regularly Monday through Friday. Orders received by 3:00 p.m. for items in stock are typically processed the same day and transported directly to the package center.
Get a 5% discount for paying in advance. The discount is automatically applied in the shopping cart/checkout and is valid for all products. Coupons or discount codes may be excluded from this offer or may already be combined with it.
Use our wiring assistant for easy speaker and subwoofer connections! The correct connection is important for your amplifier! Low-impedance operation can damage the amplifier! The datasheet shows you which connection each amplifier is designed for!
Our port calculator shows you the tuning characteristics of your enclosure! The net volume is always particularly important here; calculate the subwoofer’s actual resonant chamber volume beforehand to get the correct result. The net volume is calculated by subtracting all dead spaces and is crucial for enclosure design.
The Sundown Xv4 18″ subwoofer offers unrivaled power and control for demanding bass lovers. Equipped with high-quality X v.4 voice coils, this subwoofer is rated for up to 3000W RMS power and 6000W peak power, ensuring maximum performance without distortion.
The optimized design improves air circulation and cooling, ensuring long-lasting performance even under heavy use. The advanced motor structure and large cone area ensure powerful and clear reproduction.
The Xv4 18″ is perfect for closed or bass reflex cabinets and offers you flexibility in setup and tuning - whether for SPL competitions or for everyday, high-quality music enjoyment.
Robust, reliable and beautifully finished, this subwoofer is the next generation upgrade your sound system deserves.
Key features
18″ Xv4 Series Subwoofer
3000 W RMS / 6000 W peak power
Options for two 1-ohm or two 2-ohm voice coils
Precision manufactured X v.4 coils for stability
High performance 23.5cm diameter motor
Deep bass response with 30 mm Xmax
Compatibility with closed or vented enclosures
Recommended port tuning: 32 Hz
Engineered for extreme durability and clear sound
| Specification | Power rating |
|---|---|
| RMS power | 3000 W |
| Peak power | 6000 W |
| Displacement | 280L |
| Mounting depth | 15″ |
| Outer diameter | 46,8cm |
| Cut-out diameter | 42,4cm |
| Motor diameter | 23,5cm |
| Sealed housing | Not recommended |
| Ported housing | 198 liters |
| Recommended port tuning | 32 Hz |
| TSP: | X 18" v4 D1 / D2 |
| Xmax | 30 mm |
| SD (conical surface) | 113,41 |
| RE (Ohm) | 2,05 / 3,74 |
| FS (Hz) | 25,87 / 25,58 |
| VAS (L) | 93,67 |
| Qes | 0,63 / 0,55 |
| Qms | 4,13 / 4,03 |
| Qts | 0,54 / 0,84 |
| BL (NA) | 19,74 / 26,8 |
| MMS | 737,81 / 656,74 |
| Sensitivity | 86 / 87 dB |
Payment Methods
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