SPECIF \SON & FEATURES Transmitter Unidirectional Effective transmitting range: Up to 400° Frequency: 24128 Hz Left / Right audio line level inputs UL-Listed AC adapters ( rated 12V DC 600mA ) dodo Speaker 10W Inge grated Amplifier with two way speaker design Bass Reflex Type Tweeter: 1” dome tweeter Woofer: 5" waterproof woofer RF Frequency: 2.412G Hz Acoustic Frequency: 70 Hz — 20k Hz 5048 signal-To-Noise Ratio .