Description
DS18 EXL-TR15.4D
The DS18 EXL-TR15.4D is a 15-inch high-excursion dual-voice-coil (DVC) car subwoofer designed for powerful, precision bass in high-performance car audio systems. Equipped with dual 4 Ω voice coils (4 + 4 Ω) and large 3″ black aluminum CCAW voice coils, it delivers 2000 W RMS and up to 4000 W peak power, producing deep, controlled low-frequency output. With a frequency response spanning approximately 20 Hz to 1.5 kHz and 88 dB sensitivity, the EXL-TR15.4D ensures tight, impactful bass suitable for both sealed and ported enclosures. Its durable construction features a reinforced paper cone, glass fiber dust cap, high-roll foam surround, and rugged black aluminum basket paired with a heavy ferrite magnet, supporting extreme excursion and long-term reliability. Recommended low-pass crossover around 80 Hz and flexible wiring options make this subwoofer ideal for enthusiasts seeking high-powered, bass-driven car audio performance.
Specifications
| Parameter | Value |
|---|---|
| SKU | EXL-TR15.4D |
| Nominal Diameter | 15″ (381 mm) |
| Nominal Impedance | 4 + 4 ohms |
| RMS Power Handling | 2500 W |
| Maximum Power Handling | 5000 W |
| Sensitivity (1W/1m) | 84 dB |
| Frequency Response | 10 – 400 Hz |
| Recommended Low-Pass Crossover | 120 Hz |
Features
| Parameter | Value |
|---|---|
| Demodulating Rings | No |
| Improved Heat Dissipation | Yes |
| Cone Shape | Curvilinear |
| Speaker Terminals | Push 6ga |
Motor & Construction
| Parameter | Value |
|---|---|
| Voice Coil Diameter | 4″ (99.8 mm) |
| Voice Coil Former Material | Black Aluminum |
| Winding Material | CCAW |
| Cone Material | Non-Pressed Paper + Epoxy Coating |
| Dust Cap Material | PPI |
| Surround Material | Foam |
| Spider Diameter | 8.5″ (215 mm) |
| Leads Connection Type | Crossed Spider |
| Basket Material | Aluminum |
| Basket Finish | Black |
| Magnet Material | Ferrite |
| Magnet Weight | 3 × 98.3 oz (295 oz total) |
| Displacement Volume | 3.1 L (0.109 ft³) |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Vas (Equivalent Volume) | 36.8 L (1.29 ft³) |
| Xmax (Excursion, one way) | 20 mm |
| Fs (Free Air Resonance) | 42 Hz |
| Qms (Mechanical Factor) | 5.427 |
| Qes (Electrical Factor) | 0.8 |
| Qts (Total Factor) | 0.697 |
| Mms (Moving Mass) | 396.785 g |
| Cms (Compliance) | 0.0363 µm/N |
| Bl Factor | 30.676 |
| Le (Voice Coil Inductance) | 8.04 mH |
| Sd (Diaphragm Area) | 844.96 cm² |
| Re (DC Resistance) | 3.6 + 3.6 ohms |
| EBP | 52.5 |
Recommended Enclosures
| Parameter | Value |
|---|---|
| Sealed Internal Volume | 35.4 L (1.25 ft³) |
| Sealed Box Output Response F3 | 45 Hz |
| Ported Internal Volume | 70.8 L (2.5 ft³) |
| Port Size (WxHxLong) | 2.47″ × 15″ × 37″ (62.7 × 381 × 939.8 mm) |
| Port Tuning Frequency Fb | 30 Hz |
| Ported Box Output Response F3 | 26.5 Hz |
Physical Measurements
| Parameter | Value |
|---|---|
| Overall Diameter | 15.6″ (398 mm) |
| Overall Depth | 10.6″ (269 mm) |
| Front Mount Baffle Cutout | 14″ (355 mm) |
| Mounting Depth | 9.2″ (234 mm) |
| Motor Diameter | 9″ (230 mm) |
Product Overview
DS18 EXL-TR15.4D
Add a new layer of depth to your system’s audio with DS18’s EXL-TR15.4D!
The EXL-TR15.4D is built to dominate, with a jaw-dropping 5000W MAX power handling and 2500W RMS. It’s designed for those who want relentless performance, delivering ground-shaking low-end that’s perfect for any serious ride. The EXL-TR15.4D’s triple-stacked magnets crank up the magnetic flux: this means brutal bass and unmatched loudness, even at insane power levels.
It’s reinforced curvilinear cone is built tough, combining non-pressed paper and epoxy for rock-solid durability. Its sleek shape cuts through distortion, ensuring crystal-clear sound and lasting performance even under intense power. With a 4-inch dual voice coil made of black aluminum and CCAW winding, the EXL-TR15.4D masters heat dissipation, ensuring it stays cool under pressure. This cutting-edge design keeps the subwoofer firing on all cylinders, handling high power and intense audio conditions without breaking a sweat.
The EXL-TR15.4D rocks both sealed and ported enclosures with ease. Whether you’re after pinpoint accuracy or thunderous resonance, this subwoofer adapts to your needs, delivering peak performance no matter how you set it up. With a sweeping frequency range of 10 to 400 Hz, this subwoofer covers the deepest rumbles and punchy basslines. This full-spectrum bass response ensures crystal-clear, powerful sound that takes your vehicle’s audio to the next level.
Whether you’re a car audio competitor, custom car builder, or simply a bass enthusiast, the EXL-TR15.4D delivers the power and precision you need for perfect audio reproduction.
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