D Debra Audio PRO EST-12 UHF Stereo Mini Wireless In-Ear Monitor System, with Rechargeable Lithium Battery Monitor Type for Stage, Band, Studio, Musician, Monitor (1 Transmitter & 1 Receiver)

This is a stereo portable wireless in-ear monitoring system that uses UHF digital signal transmission and ultra-low noise floor to achieve almost imperceptible ultra-low latency while ensuring the clarity and high restoration of the sound. The built-in large-capacity battery can ensure long-term battery life. Users can switch between mono and stereo freely. The built-in multi-channel switchable system can avoid signal interference in complex environments. The system is small and easy to take out.Whether it is a personal music lover or a professional stage performance,it can be a good partner for your music journey. SYSTEM TECHNICAL PARAMETERS: 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 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 PARAMETERS: Receiver bandwidth: 560~590MHz(the actual version shall prevail) 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; TRANSMITTER TECHNICAL PARAMETERS: 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; 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: ≥4 hours.

• ‌UHF signal transmission, strong signal penetration, good anti-interference and good signal range
• No sense of delay, users can hardly perceive the delay of signal and sound, suitable for real-time use
• Built-in rechargeable lithium battery, good battery life, convenient to use anytime and anywhere
• Small size and light weight, metal shell and detachable antenna, excellent workmanship
• The receiver can switch between stereo/mono modes, suitable for monitoring in various ways
• Strong scalability, the transmitter can input music or microphone (dynamic/condenser lavalier microphone)