The DS18 IXS12.4S is a 12‑inch shallow-mount car subwoofer designed for high-performance audio systems where space is limited. Delivering up to 1,600 W peak (800 W RMS) with a single 4 Ω voice coil, it provides deep, powerful bass without requiring a deep enclosure. Its compact design, robust construction, and high-quality materials make it ideal for competitive SPL setups or premium car audio installations, ensuring impressive low-frequency performance even in tight spaces. Key Benefits High power handling: 800 W RMS and 1,600 W peak deliver strong, deep bass. Shallow-mount design: only 4.73″ mounting depth allows installation in small enclosures or under seats. Efficient performance: 85.1 dB sensitivity converts amplifier power into impactful sound. Wide frequency response: 20 Hz – 600 Hz for rich low-frequency reproduction. Durable construction: reinforced paper cone with stitched rubber surround and fiberglass dust cap. Large ferrite magnet (62 oz) for controlled excursion and stable operation. Heavy-duty aluminum basket ensures rigidity while minimizing resonance. Supports sealed enclosures with minimal recommended volume (~28 L). Suitable for SPL and high-output car audio systems. Technical Specifications Weight: 16.50 lb (approximately) Dimensions: 12.60″ L × 12.60″ W × 4.73″ H Power Handling: RMS: 800 W Peak: 1,600 W Impedance: 4 Ω SVC (single voice coil) Frequency Response: 20 Hz – 600 Hz Sensitivity: 85.1 dB (1 W / 1 m) Voice Coil: 2.5″ (63.5 mm) aluminum Magnet: Ferrite, 62 oz (~1.76 kg) Surround: stitched rubber Cone Material: paper Dust Cap: fiberglass Basket: aluminum X‑max (maximum excursion): ±10.3 mm Free-Air Resonance (Fs): ~35 Hz Thiele & Small Parameters: Vas ≈ 42.4 L Qts ≈ 0.826 Recommended Box (sealed): minimum ~28 L (~1 ft³) Recommended Low-Pass Crossover: ~80 Hz Installation & Compatibility The IXS12.4S is ideal for vehicles with limited installation space, such as under-seat enclosures or shallow trunks. It works best in sealed boxes of approximately 28 L (~1 ft³) for tight bass control. Pairing with an amplifier capable of 600–900 W RMS at 4 Ω will provide optimal performance while maintaining reliability. Its shallow depth ensures flexibility in custom or constrained installations without sacrificing low-frequency impact. FAQS What is the DS18 IXS12 4S subwoofer known for?The IXS12 4S delivers deep bass in slim-fit enclosures, making it great for tight spaces. It provides strong low-end performance while maintaining efficiency, ideal for compact car audio builds. Is the IXS12 4S good for sealed or ported boxes?It performs well in both, but sealed enclosures enhance tight, accurate bass, while ported boxes deliver louder output. Your choice depends on whether you prefer precision or maximum volume. How much power does the DS18 IXS12 4S handle?The IXS12 4S is rated to handle consistent power levels without distortion. Pair it with a matching amplifier for clean, controlled bass—Livewire Audio offers several compatible options. Can I install an IXS12 4S in a factory audio system?Yes, but you’ll likely need an aftermarket amplifier and proper wiring. The sub is designed for custom setups and benefits from clean power to achieve its full performance potential.
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