Vivolink Active Subwoofer is a perfect match to all Vivolink speakers. It is designed to be mounted over ceiling or under funiture Ideal for meeting rooms, hotels and auditoriums. It have line input and loop out for active sattelite speakers. Subwoofer can also be used together with passive sattelite speakers using the interal power amplifier for sattelige speakers on 2 x 25W • For rooms up to 200m2 • Power effect for subwoofer: 50 Watts • Power effect for passive ceiling speakers: (VLSPMTC60WT) 2x25Watts • Inputs: 100V, Balanced in and RCA line in • Outputs: RCA line out and Speaker out 2x 25W • Line out for active speakers (VLSP60/65/61/70) • Frequency range: 80Hz-20kHz • Impedance: 8 Ohm