You'll enjoy reliable in ear monitoring with IE 4 earphones delivering clarity along the whole frequency spectrum throughout your performances.

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Features

• Engineered for professional live sound: Rugged all-in-one wireless monitoring system for in-ear applications
• Robust bodypack receiver and reliable in-ear monitoring IE 4 headphones delivering clarity along the whole frequency spectrum for daily use on stage
• Half-rack stereo transmitter in a full-metal housing with OLED display for full control
• Easy and flexible wireless synchronization between transmitter and receiver via infrared
• Compatible with Sennheiser WSM control software for flexible frequency allocation
• Up to 16 compatible channels Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range Transmission Range: up to 100 meters / 300 feet High RF output power (up to 50 mW) depending on country regulations

What's in the box?

• SR IEM G4 stereo transmitter
• EK IEM G4 stereo receiver
• IE 4 earphones
• 2 AA batteries
• rod antenna
• GA 3 rackmount set
• quick guide
• safety guide
• manufacturer declaration sheet
• power supply

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Specifications

Product	SR IEM G4
Frequency range	B: 626 - 668 MHz
Dimensions	202 x 212 x 43 mm
Compander	Sennheiser HDX
THD total harmonic distortion	<0.9%
Weight Approx.	980 g
Audio input	2x XLR-3/¼" (6.3 mm) jack combo socket/electronically balanced
Audio output	¼" (6.3 mm) stereo jack socket/balanced
Signal-to-noise ratio	>90 dB
RF output power switchable	Low: typ. 10 mW
	Standard: typ. 30 mW
	High: typ. 50 mW
Switching bandwidth	up to 42 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Modulation	Wideband FM stereo (MPX pilot tone)
Power supply	12 V DC
Current consumption	max. 350 mA
Max. Input voltage	+22 dBu
Transmission frequency Max.	1680 frequencies;adjustable in 25 kHz steps
	20 frequency banks each with up to 16 factory-preset channels
	no intermodulation
	6 frequency banks with up to 16 programmable channels
AF frequency response	25 Hz to 15 kHz
Temperature Range	-10 °C to +55 °C
Frequency stability	±10 ppm
Antenna Output BNC socket	50 Ω
Product	EK IEM G4
Dimensions	82 x 64 x 24 mm
Compander	Sennheiser HDX
THD total harmonic distortion	0.9 %
Weight (incl. batteries)	approx. 125 g
Signal-to-noise ratio	approx. 90 dBA
Switching bandwidth	up to 42 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Operating time	approx. 4 to 6 hours (depending on volume level)
Modulation	Wideband FM
Power supply	2 AA batteries/1.5 V or BA 2015 accupack
Current consumption at nominal voltage	approx. 140 mA
Consumption w transmitter switched off	25 µA
Adjacent channel rejection	Typically 65 dB
Audio-Output-Power	2 x 100 mW at 32 Ω
Intermodulation attenuation	Typically 70 dB
Limiter	–18 dB to –6 dB/adjustable in steps of 6 dB/can be switched off
Powering	3 V battery / 2.4 V rechargeable battery
Receiving frequency	Max. 1680 frequencies adjustable in 25 kHz steps
	20 frequency banks each with up to 16 factory-preset channels
	no intermodulation
	6 frequency banks with up to 16 programmable channels
RF sensitivity	< 4 μV typ. 1.6 μV for 52 dBA rms S/N
Squelch	5 to 25 dBµV adjustable in steps of 2 dB
Bass Boost	+8 dB at 80 kHz
Temperature Range	-10 °C to +55 °C
Receiver Principle	Adaptive diversity
Blocking	80 dB