Specifications
Housing Composite of various material
Display Backlit LCD
Frequency Band UHF 470 – 639 MHz, 705 – 960 MHz (country dependent)
Bandwidth 64 MHz
Modulation Type Digital modulation
Channel Setting ACT™ sync
Receiving Mode Digital diversity receiving
Frequency Response 20 Hz – 15 kHz (stereo)
Stereo Separation > 95 dB
S/N Ratio 95 dBA (stereo)
THD < 0.1% @ 1 kHz
Sensitivity 10 μV input level, S/N > 90 dB
Earphone Jack 3.5 mm TRS
Output Power Left/Right × 120 mW @ 16 Ω
Battery Type 2 AA alkaline
Current Consumption Approx. 170 mA
Operating Time Approx. 6 to 8 hours (depending on volume level)
Optional Accessories E-8P or E-8S earphones
Dimensions 63 × 82 × 23 mm (W × H × D)
Weight Approx. 95 g
MIPRO MI-909R IEM UHF Digital Stereo Bodypack Receiver

The MI-909R is a UHF digital stereo in-ear monitor receiver featuring stable diversity reception and versatile monitoring modes for large-scale performances and touring. Its replaceable battery design and clear display ensure dependable professional monitoring.
- Featuring an ultra-light magnesium alloy frame with reinforced polymer housing, the MI-909R combines exceptional durability with effortless portability—ideal for demanding professional environments.
- Integrated digital encryption technology ensures secure transmission and robust resistance to interference.
- Dual-antenna design with digital diversity reception delivers outstanding signal stability and reliability.
- Supports stereo, mono (L/R), and mixed monitoring modes to meet diverse stage and studio requirements.
- Built-in 4-band EQ for precise tonal shaping according to venue acoustics and personal preference.
- Clear, intuitive interface enables fast and efficient setup.
- Preloaded with 16 frequency groups and 216 channels, with user selection from up to 2,560 available frequencies.
- 3.5 mm stereo earphone jack compatible with MIPRO professional monitoring earphones and most commercially available models.
MI-909R 為 UHF 數位入耳式監聽接收機,提供穩定射頻與清晰監聽效果,適合大型演出與專業舞台監聽系統應用。
- 採用超輕量鎂合金與特殊塑鋼機身,兼具堅固耐用與攜帶便利性。
- 內建數位加密傳輸技術,強化訊號安全性與抗干擾能力。
- 雙天線設計結合數位自動選訊技術,提升接收穩定度與可靠性。
- 提供立體聲、單聲道(L/R)與混合監聽模式,靈活對應不同使用需求。
- 內建四段 EQ,可依場景與個人偏好調整音色表現。
- 操作介面簡潔明瞭,設定直覺快速。
- 預設 16 組頻率群組,共可儲存 216 個頻道,亦可從 2,560 組頻率中自由選取。
- 配備 3.5 mm 立體聲耳機插孔,兼容 MIPRO 專業監聽耳機及多數市售耳機。






