Yamaha DXS15XLF Subwoofer 100741914 It features a 100% passive

It features a 100% passive design with John's original custom wound 'Made in the USA' transformer and circuit

EF1 (590–650 MHz) and FG1 (650–700 MHz)

XLR-Jack Input

C170 and WM5T have a complete list of features that make them an extremely good value

Yamaha DXS15XLF Subwoofer 100741914 It features a 100% passiveYamaha DXS15XLF Powered Subwoofer Perfectly suited for use with DZR full range speakers, the DXS15XLF is a Dante equipped powered bass reflex type subwoofer with extended low frequency, producing a best in class maximum SPL of 136dB SPL with superb clarity and power. Features: Powered 15 subwoofer with 4 Voice Coil Maximum 136dB SPL and 33Hz 150Hz frequency range is ideal for todays sound engineering demands High power 1600W Class D amplifier module