Debra EST-12 UHF Dual-Channel Wireless IEM System, 560-590MHz, 80m Range, Rechargeable In-Ear Monitor for Live Performance & Stu

System Technical

RF carrier frequency range: 560~590MHz;

Total number of channels: 20

Frequency stability: 0.005%;

Effective working distance (optimal environment): ≥80 meters;

Audio compression and expansion: DSP digital audio compression and expansion;

Audio sampling depth: 24bit, 48K

Audio frequency response: 60Hz~20KHz;

Dynamic range: 95 dB;

Audio signal-to-noise ratio: 120dB;

Total harmonic distortion: ≤0.8%,@1KHz;

Operating temperature range: -10℃~ +50℃;

Receiver Technical :

Receiver bandwidth: 560~590MHz

Receiving mode: dual-channel, superheterodyne;

Image suppression: 45dBm;

Receiving sensitivity: <-99dBm;

Frequency synchronization mode: FM;

Audio output: 1 stereo headphone output

Headphone output power: 80mW@16Ω;

Power supply: built-in 3.7V lithium battery; can also support external power bank power supply

Normal working current: 130mA;

Battery use time: ≥6 hours;

Dimensions: 39.5 * 31 * 90(mm);

Net weight: g;

Transmitter Technical :

Carrier bandwidth: 560~590MHz

Oscillation mode: PLL frequency synthesis;

Transmit power: 10mW;

Carrier error: 0.005%;

Harmonic radiation: -32dBm;

Modulation mode: GFSK;

Frequency error: <=10ppm

Stereo input interface: Ф3.5mm

Input impedance: 2.2KΩ;

Input gain adjustment range: 36 adjustable settings, 1dB step each;

Frequency setting: FM;

Power supply: built-in 3.7V lithium battery ; It can also support external power bank power supply

Normal working current: 160mA;

Battery use time: ≥6 hours;

Dimensions: 39.5 * 31 * 90 (mm);

Net weight: g;