Sony XS-FB1330 5-1/4 (13 cm) 3-Way Speakers Immerse yourself in full-frequency sound with the XS-FB1330 3-way coaxial speakers. Experience tight, responsive bass through the MRC cone woofer, and clear, dynamic sound at loud volumes with High Power Handling. The space-saving design means no subwoofer, amplifiers or direct battery wiring, simplifying installation. Connect directly to Sony’s perfect matching head unit with Mega Bass circuitry. Your system will sound like nothing else with deep roaring bass! MRC woofer for deep, responsive bass Experience high performance power handling Super tweeter for high frequency extension Ideally designed for Sony head units with Mega Bass circuitry Space-saving, easy-to-install design