TOA HB-1 is a compact, high-power subwoofer system ideal for wall or ceiling mounting. Its Acoustic Super Woofer enclosure construction delivers clear, super-low-frequency sound reproduction, making it suitable for a variety of applications, including home theaters, conference rooms, and commercial spaces. With a rated impedance of 8 ohms and a frequency response of 45-200 Hz (-10 dB), the HB-1 can handle up to 240W of continuous program power (40-200 Hz) and 80W of continuous pink noise (40-200 Hz).