The Lectrosonics IFBlue Receiver paired with the Halter Technical Peeko Earbud delivers a rugged, ultradiscreet IFB monitoring solution built for fastpaced production environments. The compact IFBlue pack offers intuitive operation for any user, with 10 programmable presets, wide frequency range optionsfrom VHF through 941 MHzand seamless compatibility with IFBT4 and Digital Hybrid Wireless transmitters. Its dockcharging design and included rechargeable batteries make daily use effortless. Complementing it perfectly, the Peeko earbud is the smallest and lightest IFB headset available, featuring a nearly invisible 5 mm driver, a transparent cable, and a formable earhook that stays comfortable and secure through long shoot days. With natural, detailed sound and a durable rightangle connector plus a stereotomono adapter for universal IFB compatibility, this pairing delivers a reliable, camerafriendly monitoring setup that keeps cues clear and attention exactly where it belongs.IFBlue IFBR1C Main Features:Compatible with Lectrosonics IFB transmitters including Hybrid transmitters in IFB modeStores up to 10 frequency presets in memoryLCD interface for programming and operationHigh sensitivity for extended operating range indoors or outdoorsUSB port for firmware updatesCompact, rugged injection molded ABS housingAttached battery door2 AA batteries; alkaline, lithium, or NiMH rechargeables (supplied)What’s Included:Qty-1 Halter Technical PEEKO 40in Cable Mono EarbudQty-1 Lectrosonics IFBlue IFBR1C Wireless Receiver (A1 Frequency)IFBlue IFBR1C Specifications:Frequency Selection Steps: 25 kHz; VHF: 175 kHzSensitivity: 1 uv (20 dB SINAD)Signal/Noise ratio: 95 dB A-weightedSquelch quieting: 90 dBAM rejection: 50 dB, 10 uV to 100 mVModulation acceptance: 20 kHzSpurious rejection: Greater than 70 dBOperating temperature range: -20 to 40 degrees C.Third order intercept: 0 dBmFrequency response: 100 Hz to 10 kHz, (+/-1 dB)Audio output: 1V RMS into 50 ohms minimumAntenna: Headphone cableMin. headphone impedance: 16.0 OhmsProgrammable memory: 10 frequencies can be stored as presetsControls:- Top Panel: Single knob controls Audio Output Level and Power On – Side Panel: Membrane switches with LCD interface for Frequency Selection and Preset functionIndicators: Multi-color LED indicator for power on and battery statusBattery: Two AA batteries (+1.5 VDC each)Battery Life: 10 hours (Alkaline), 12 hours (NiMh), 20 hours, 40 minutes (Lithium)Current consumption: 120 mADimensions:Height: 107mm/4.20 in. (including knob)Width: 67mm/2.60 in. (at widest point)Depth: 28mm/1.10 in. (at widest point of clip)Weight: 4.6 oz (130 g) with batteries