Specifications：
| Oscillator type: | PLL Synthesized Control Oscillator |
| Carrier Frequency Range: | 556.71 MHz-575.98 MHz (Transmitter: A ) 576.39 MHz-595.66MHz (Transmitter: B ) |
| Channels: | 48 |
| Frequency response: | 40 Hz to 18 kHz ( /-3dB) |
| Operation range: | 100m (300′)(without obstacle) |
| Antenna: | 1/4λ wire antenna |
| Audio input connector: | 3.5mm mini jack |
| Signal to noise ratio | 70dB or more |
| Distortion: | 0.5% or less |
| Headphone output level: | 30mW(16Ω) |
| Audio output level: | -60dBV |
| Power supply | Two AA size batteries |
| Operation time: | About 4 hours |
| Dimensions: | 208(H) × 67(W) × 29(L)mm |
| Weight: | 90g without batteries |
