Compact Bass with Big Impact – Orion XTR8US 8” Underseat Powered Subwoofer

When space is limited but you still crave deep, responsive bass, the Orion XTR8US steps in as the perfect solution. Designed for ultra-compact installations like under seats or behind panels, this all-in-one subwoofer system delivers up to 1000W of clean, punchy bass that enhances your driving experience without stealing your cargo space.

Small Size, Serious Sound

With a unique 8” woofer setup, the XTR8US may be small in footprint but it hits hard where it counts. It’s engineered to give your system the added low-end depth missing from factory audio, bringing your favorite music to life with richness and clarity. Whether you’re upgrading a commuter or a custom build, this underseat subwoofer delivers reliable performance with minimum installation hassle.

All-in-One Simplicity

No need for external amps or complex wiring, the XTR8US includes a built-in 250W RMS amplifier that’s pre-tuned for smooth performance. You get full control via bass boost, phase adjustment, and low-pass filter, plus a wired remote to adjust the bass from the driver’s seat. With smart features like auto-start and 4-way protection, it’s made to be easy, safe, and effective.

Engineered to Fit Anywhere

Crafted for stealthy installations, the XTR8US is housed in a rugged, low-profile enclosure that disappears under most car seats. With clean wiring, illuminated status indicators, and vibration-resistant construction, it’s the kind of install you set up once and enjoy every drive after.

• Ultra-Compact Enclosure for Tight Spaces: Built to tuck neatly under seats, behind panels, or in compact hatchbacks, the XTR8US delivers serious bass performance without sacrificing cargo room or cabin aesthetics.
• Built-In High-Efficiency Amplifier: Forget external components. The integrated 250W RMS amplifier is optimized for the woofer, offering tight, controlled bass and peak performance of up to 1000W — all in one box.
• Precision Bass Tuning Tools: Dial in your sound with adjustable bass boost (0–12 dB), low-pass filter (50–150 Hz), and a phase switch (0°/180°) for better bass alignment in any vehicle interior.
• Wired Remote Bass Control Included: Make quick on-the-fly adjustments to your bass level from the driver’s seat with the included remote knob — perfect for switching between music genres or moods.
• Reliable and Protected Performance: With 4-way protection (thermal, overload, short circuit, and DC), plus LED status lighting and auto-start technology, the XTR8US is designed to last and protect your gear.

• Speaker Size: 8”
• Power Handling (RMS): 250 Watts
• Power Handling (Peak): 1000 Watts
• Bass Boost: 0 – 12 dB
• Low Pass Filter: 50 – 150 Hz
• Frequency Response: 30 Hz – 150 Hz
• Signal to Noise Ratio: 90 dB
• Phase Switch: 0° / 180°
• Dimensions (inches): 11.02” x 8.78” x 2.56”
• Inputs: RCA Input / High-Level Input
• Controls: Remote Control for Subwoofer Level
• Power Supply: P.W.M. MOSFET
• Protection: 4-Way System (thermal, overload, short, DC offset)
• Illumination: Blue / Red LED Indicators