X5 Team Subwoofers

Soundstream overheard, and we listened. “Design a subwoofer for SPL!” The Limited Production X5 Series Subwoofers were designed for bass heads by bass heads. These monstrous subwoofers have attractive specifications like; 4” Dual 1Ω Voice Coils, numerous vent areas for heat dissipation, beefy triple-stack magnet assembly, and much more.

X5.12 and X5.15 were crafted to help Team Soundstream move in the direction of past standard production subwoofers. These will pair nicely with the newest amplifier arsenal “Tarantula XP” High Output Amplifiers. Both subwoofers handle up to 3,500w RMS, this is sure to set off some alarms!

LEGACY

Limited Edition - Team Subwoofer Max Power 7,500 Watts RMS Power 3,500 Watts Net Weight 68 lbs Voice Coil Configuration 4" - 1Ω DVC

LEGACY

Limited Edition - Team Subwoofer Max Power 7,500 Watts RMS Power 3,500 Watts Net Weight 74 lbs Voice Coil Configuration 4" - 1Ω DVC

Soundstream X5 Team Subwoofers — Extreme Bass for the Competition-Ready Build

When sound isn’t just a hobby but a lifestyle, only a few subwoofers can meet the demands of high-pressure bass. Enter the Soundstream X5 Team Subwoofers, designed for those who live for sound pressure level (SPL) competition and demand power, precision, and durability.

The X5 series is engineered to push the boundaries of bass performance, making it the ultimate choice for serious car audio enthusiasts.

Engineered to Dominate: High Power SPL Subwoofer Line

The Soundstream X5.12, X5.15, and X5 18-inch subwoofer variants are more than just powerful—they're purpose-built for SPL team builds and bass competitions. These subwoofers are equipped with:

4" Dual 1-ohm Voice Coils for flexibility and power handling
3500W RMS / 7500W MAX power ratings
Vented Motor Structures with 360° cooling for sustained performance
Triple-stack magnets for deeper, more controlled bass
Heavy-duty pressed paper cone with stitched foam surround

Whether you install a Soundstream 12-inch subwoofer or go all in with the X5 18-inch model, every beat will hit harder, deeper, and cleaner.

Built for Bassheads: Why the X5 Series Sets You Apart

The Soundstream X5 Subwoofers are not your everyday subs—they are competition-grade subwoofers crafted for SPL supremacy. Designed for team subwoofer builds, these units have enhanced durability and coil management to handle extreme power.

Are you looking to create a custom car subwoofer system that wins shows and rattles doors? The X5 series makes it possible with:

Reinforced high-roll foam surround
Extended pole piece for superior excursion
High-temp 4-layer aluminum voice coils
Massive motor structures optimized for SPL output

Product Variants Available

Soundstream X5.12 – 12" SPL Subwoofer
Soundstream X5.15 – 15" SPL Subwoofer
Soundstream X5 18 – 18" Competition Subwoofer

All three options deliver ultra-deep bass, precision cone movement, and maximum wattage handling—ideal for serious competitors or bass fanatics.

Perfect Match: Compatible With Soundstream Amplifiers

Pair your X5 Team Subwoofer with a Soundstream Monoblock Amplifier or Soundstream TXP1.18000D for an unstoppable setup. These combinations maximize power transfer and ensure each note is delivered with raw, accurate force.

Popular pairings include:

Soundstream X5.15 + TXP1.6000D
Soundstream X5.12 + T5 series amps
Soundstream 18-inch subwoofer + competition-grade amp setups

Dominate the SPL Game with Soundstream X5

The Soundstream X5 Team Subwoofers are your gateway to competition-grade sound if you're serious about bass performance. Whether you're outfitting a show car or seeking the loudest ride in your city, nothing hits like the X5 series.
Ready to feel every frequency? Explore the X5.12, X5.15, and X5 18 today and join the Soundstream SPL legacy.

FAQs: Soundstream X5 Team Subwoofers

What makes the Soundstream X5 ideal for competition use?

The Soundstream X5 series is purpose-built for the SPL competition. Its high RMS wattage, dual voice coil design, and triple-stack magnet system allow it to handle extreme power levels without compromise.

Which amplifier is best for powering an X5 subwoofer?

Depending on the sub size, a high-wattage Soundstream amplifier, such as the TXP1.18000D, is recommended for optimum performance. Ensure your amp matches the impedance and RMS handling for best results.

Are these subwoofers suitable for daily driving systems?

While optimized for SPL, many users integrate the X5 12-inch or X5 15-inch subwoofer into daily builds. Proper enclosure design and amplifier matching are essential.

What size enclosure works best for the X5 subs?

Ported boxes tuned for SPL are recommended. Each Soundstream X5 model has specific enclosure recommendations, so refer to product manuals or consult an installer for precise setup.