• POWERFUL LOW-IMPEDANCE PERFORMANCE 
– Engineered with a special 0.15Ω voice coil configuration, the SST11 delivers a thumping 580W of clean power at 14.4V with ultra-low distortion (<0.8% @ 100Hz). This innovative design extracts maximum output from your factory or aftermarket system without overworking the amplifier.

•      FITS MOST VEHICLES 
– Compact 11-inch (280mm) form factor is specifically designed to fit inside spare tires up to 15 inches in diameter – compatible with the vast majority of cars, SUVs, and trucks with a standard spare well. Check your tire size before purchase (fits tires ≤15″).

•      ALL-IN-ONE INSTALLATION KIT 
– Everything you need is in the box: M8 stainless steel mounting rod, top/bottom EVA gaskets, PVC trim stickers, adhesive pads, L-shaped wrench, and plug and play harnesses for power, remote turn on, RCA low level, and speaker level high level inputs. No extra parts to buy.

•      BUILT-IN DSP & TUNING FLEXIBILITY 
– Features Virtual Bass (VB) DSP processing that enhances low-end perception around 42Hz – perfect for factory systems. Fine tune with adjustable crossover (50–200Hz), 12dB bass boost, 0°/180° phase shift, and a remote bass knob for real time control from the driver's seat.

•      PLUG-AND-PLAY SIGNAL INPUTS 
– Accepts both RCA (low-level) and speaker level (high-level) inputs, making it a breeze to connect to any head unit – whether factory OEM or aftermarket. Included Molex to RCA and Molex to speaker wire harnesses simplify the hookup.

•      SAFE & RELIABLE PROTECTION 
– Built in thermal and short circuit protection with an LED indicator. Fuse rating 25A x 2 ensures stable operation. The rugged enclosure and corrosion resistant hardware guarantee long lasting durability in the trunk environment.

•      EASY 11-STEP INSTALLATION 
– Clear, illustrated instructions guide you through mounting inside the spare tire, routing cables, and securing the subwoofer with the provided spanner. Most users complete the install in under an hour.