The DHR15 is a 2-way bi-amp powered loudspeaker equipped with a 15-inch woofer and a 1.4-inch HF driver, perfect for use as a main speaker. Combining a 1000W amplifier and high-performance DSP with the same plywood construction found on Yamaha's high-end DZR Series, the DHR15 offers best-in-class sound quality and durability.