Sennheiser - EW-DX SKM R1-9
Sennheiser EW-DX SKM (R1-9), a wireless handheld transmitter that uses the 520-607.8 MHz frequency band for increased flexibility in dense RF environments. The EW-DX SKM R1-9 is designed for users requiring a versatile frequency range: its band allows it to be adapted to many regulatory contexts. Its consistent audio quality and robustness make it a safe choice for touring and fixed installations.
Presentation
This version is often preferred in touring or mobile service contexts, as it allows adaptation to different national regulations while maintaining excellent RF stability.
Other features
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Sennheiser EW-DX SKM (R1-9)
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Manufacturer reference: 509427
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Transmission & RF :
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Type: digital wireless handheld transmitter
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Series : EW-DX (Evolution Wireless Digital)
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Frequency band : 520 - 607.8 MHz (R1-9)
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Channel width: 200 kHz
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RF power: 10 mW ERP (up to 12 mW depending on range)
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Range: up to 100 m
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Transmission: proprietary digital
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Codec: SePAC (Sennheiser Performance Audio Codec)
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International use (depending on local RF regulations)
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Audio :
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Frequency response: 20 Hz - 20 kHz (-3 dB)
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Dynamic range: 134 dB
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Latency: 1.9 ms
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Distortion (THD): ≤ -60 dB (1 kHz @ -3 dBFS)
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Digital audio processing with no perceptible compression
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Audio level control (digital trim)
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Built-in test tone generator
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Directionality: depends on optional capsule selected (cardioid, omni)
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Advanced features :
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Switchable low-cut filter: Off / 30 / 60 / 80 / 100 / 120 Hz
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Configurable LED (on/off)
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Control lock
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Direct control from transmitter
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Permanent display via E-Ink screen
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Settings visible even when powered down (without batteries)
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Connectivity & control :
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Link: wireless (digital RF)
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Bluetooth: 2402 - 2480 MHz
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EW-DX ecosystem compatible
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Network management via Sennheiser solutions (Control Cockpit)
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Synchronisation with EW-DX receiver
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Power supply & autonomy :
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Power supply: 2 AA 1.5 V batteries or BA 70 rechargeable battery (optional)
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Operating time: up to 12 hours (with optional BA 70 battery)
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Battery capacity: 2.3 Ah
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Supply voltage: 2.0 - 4.35 V
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Charging current: < 300 mA
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Recharging: integrated contacts
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Compatible chargers: CHG 70N, L 70 USB, L 6000 (LM 6070 module)
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Construction & ergonomics :
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Housing: robust metal
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Format: handheld microphone
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User interface with function buttons
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Designed for intensive use (live / broadcast)
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Mute switch: no
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Operating conditions :
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Operating temperature : -10 °C to +55 °C
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Relative humidity: 5 - 95% (non-condensing)
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Dimensions (without capsule) : 40 × 200 mm
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Weight: 304 g
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Box contents :
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1 EW-DX SKM hand-held transmitter
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1 MZQ 1 microphone clip
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2 AA batteries
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User documentation
To find out more...
Difference between EW-DX SKM and EW-DX SKM S: the latter has a switch for muting the microphone from the transmitter (which can also be disabled from the receiver). With the SKM, mute is only possible from the receiver.
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