Harman Kardon FEEL 700 7? Active Under-Seat Subwoofer 125W RMS Class D Amp. Give your factory car audio system deeper, high-quality bass with the Harman Kardon FEEL 700 – a powered 7? Under-seat subwoofer designed for premium performance in minimal space. 125 W RMS built-in Class D amplifier: powerful bass without bulky external amp. Ultra-compact design (260 × 195 × 58 mm) fits easily beneath most seats. Die-cast aluminium enclosure wrapped in automotive-grade fabric blends into cabin. Fully variable crossover (50? Hz-150? Hz) & Bass Boost (0-12 dB) for custom tuning. Line- and high-level inputs for compatibility with factory and aftermarket systems. 7? (165 mm) subwoofer. 125? W RMS / 250? W max. 260? Mm × 195? Mm × 58? Mm. What’s in the box: 1 × FEEL 700 subwoofer, 2 × wiring harness (300 mm), 4 × mounting plates, 8 × M4×6 screws, 4 × M4×25 screws, 1 × 15A fuse, safety sheet & user manual. Why choose this product. Transforms your car’s audio with deep bass without sacrificing space. Ideal for vehicles with limited boot room or under-seat fitment. Premium brand (Harman Kardon) + design award recognition (Red Dot). Easy to install, both factory and aftermarket systems. Fitment note / installation tip. Ensure you have at least 58 mm height clearance under the seat. Use the included mounting plates for secure installation. For optimum performance, set crossover around 80Hz (or whichever fits your main speaker system) and level-match gain to your car’s head unit. Add to cart now for fast UK mainland dispatch and premium bass upgrade!