This high-performance bundle features an Alpine S2-A60M S-Series Class-D Mono Subwoofer Amplifier with 600W RMS at 1 & 2-Ohm, two Alpine S2-W10D2 10" S-Series Dual 2-Ohm Car Subwoofers with 1800W Max, 600W RMS power, and an Alpine RUX-KNOB.2 Remote Bass Knob. Experience the reliability and value of the S-Series amplifiers. Compact and effective, the S2-A60M amplifier brings high power output with minimal space usage, measuring just 204mm x 204mm. It boasts improved heat sink and protection circuit design eliminating thermal shut-down and ensuring unwavering music playback. Key specs include power requirements of 14.4 V.DC (9 - 16 V allowable), frequency response of 10Hz - 400Hz, and a weight of 1.9 kg. Key features encompass a top-mounted LED power/status indicator, adjustable low-pass crossover, automatic power-on with high-level input, and, importantly, remote bass control compatibility. Partnered with the S2-W10D2 10" Subwoofers, your sound system is sure for superior audio rendering. These next-gen subwoofers offer impactful performance with high 600W RMS to 1800W peak power handling, wide frequency response range of 25Hz to 215Hz, and a sensitivity of 85dB (1W/1m). Embodied with a robust combination of carbon fiber and polypropylene, they ensure deep, low-distortion bass to enrich your music experience. The subwoofers feature a twist-lock grille mounting system, a dual voice coil (DVC) with configuration jumpers, plus a high-grade strontium ferrite magnet. Complementing the bundle is the easy-to-install RUX-KNOB.2 Remote Bass Knob. It provides quick direct subwoofer control, allowing convenient bass adjustments on-the-go. Adaptable with different PDX Amplifiers, it lets you command multiple amps using a simple telephone cord adaptor. Move forward with this sound system enhancement, without breaking your budget, boasting reliability, versatility, and powerful performance.