- 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