2-pack Convert your IP Speaker into an IP Intercom appliance. Convert your IP Speaker into an amplifier/speaker for a secondary chain of 25V/70V of speakers. Made of Industrial Grade Steel. Frequency Response: 95 Hz to 20 kHz. Power Taps: 4, 2, 1, 0.5, 0.25 Watts. Cones: 8” Main Cone With Secondary High-Frequency Cone made of treated paper. 70V and 25V Compatible Bright white cover with black can