SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System User Manual

October 30, 2023
SEVENOAK

SEVENOAK logo

SKM-S Series
2.4GHz Dual-channel Wireless
Microphone System

General Introduction

The SEVENOAK SKM-S is an incredibly lightweight, ultracompact and easy-to-use 2.4GHz wireless microphone system for up to 2 people, This mic series has RX/ RXD/ RXU port of kits to choose from, delivering exceptional-quality sound to smartphones, tablets, DSLR cameras and camcorders. It provides a great solution for live streaming, content creation, mobile journalism and more.

Available Kits

Model In the box
SKM-S1 1xSKM-S-TX

1xSKM-S-RX
SKM-S2| 2xSKM-S-TX
1xSKM-S-RX
SKM-S1-D| 1xSKM-S-TX
1xSKM-S-RXD
SKM-S2-D| 2xSKM-S-TX
1xSKM-S-RXD
SKM-S1-U| 1xSKM-S-TX
1xSKM-S-RXU
SKM-S2-U| 2xSKM-S-TX
1xSKM-S-RXU

Product Structure

SKM-S-TX
Clip-on Transmitter with Built-in Microphone

SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System - Fig
1

  1. Status indicator
    Status| indicator
    ---|---
    Unpaired| Blinks blue slowly (per second)
    Pairing| Quickly blinks blue 3 times
    Paired Successfully| Solid blue light
    Mute ON| Blinks red slowly (per second)
    Noise Cancellation ON| Solid green light
    Maximum/Minimum Gain| Quiddy blinks blue twice
    Low Battery| Blinks red quickly
    Charging| Solid red light
    Fully Charged| Solid blue light

Note: If the microphone is muted when battery is low or charging, the indicator will display the current working status (Mute ON) Instead of the battery level.

  1. Built-in microphone

  2. 3.5mm MIC IN jack
    Itcan be connected to a 3.5mm TRS lavalier microphone.

  3. Noise cancellation button
    Short press to turn on/off noise cancellation.

  4. Belt clip

  5. Power/Mute/Pair button
    Function| Operation
    ---|---
    Power ON/OFF| Press and hold for 2 seconds
    Mute ON/OFF| Short press
    Pairing| Double-click when not paired

  6. Gain control {+-button) Press the +/- button to adjust mic gain (totally 7 levels).
    If the maximum/minimum level is reached, the indicator will quickly blink blue twice.

  7. USB-C charging port Use the included USB-C charging cable to charge the unit.

SKM-S-RX
Camera-mountable Clip-on Receiver

SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System - Fig
2

  1. Status indicator
    Status| Indicator
    ---|---
    Unpaired| Blinks blue slowly (per second)
    Pairing| Qukkly blinks blue 3 times
    Paired Successfully| Solid blue light
    Low battery| Blinks red quickly
    Charging| Solid red light
    Fully charged| Solid blue light

  2. 3.5mm TRS line output
    Connect the SKM-S-RX to a smartphone, tablet, camera, recorder or mixer with the included output cables.

  3. USB-C charging port
    Use the included USB-C charging cable to charge the unit.

  4. 3.5mmheadphone output
    Connect headphones for audio monitoring.

  5. Power/ Pair button
    Function| Operation
    ---|---
    Power ON/ OFF| Press and hold for 2 seconds
    Pairing| Double-click when not paired

  6. Mono/Stereo switch
    The output mode can be toggled between mono and stereo. When in mono mode, the audio from the left and right channel will be mixed. When in stereo mode, the audio from the left and right channel will be separated to the left and right of the stereo output.

  7. Belt clip

SKM-S-RXD
Compact Receiver with MFi Certified Lightning Connector

SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System - Fig
3

  1. Lightning connector
    It can be connected to an iOS Lightning device.

  2. Pairing indicator
    Status| Indicator
    ---|---
    Unpaired| Blinks blue slowly (per second)
    Pairing| Quickly blinks blue 3 times
    Paired Successfully (Mono)| Solid blue light
    Paired Successfully (Stereo)| Blinks blue slowly (every 5 seconds)

  3. Pair &M/S pinhole
    Use the supplied pin to click:
    One click: switching between Mono and Stereo output mode.
    When in mono mode, the audio from the transmitter, or transmitters will be mixed to both the left and right sides. When in stereo mode, the two
    transmitters’ audio output will be separated to the left and right sides. Double click: enable pairing mode.

SKM-S-RXU
Compact Receiver with USB-C Connector

SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System - Fig
4

  1. USB-C connector
    It can be connected to an Android smartphone, tablet or other USB-C devices.

  2. Pairing indicator
    Status| Indicator
    ---|---
    Unpaired| Blinks blue slowly (per second)
    Pairing| Quickly blinks blue 3 times
    Paired Successfully (Mono)| Solid blue light
    Winks blue slowly (every 5 seconds)| Paired Successfully (Stereo)

  3. Pair &M/S pinhole

Use the supplied pin to click:
One click: switching between Mono and Stereo output mode.
When in mono mode, the audio from the transmitter, or transmitters will be mixed to both the left and right sides. When in stereo mode, the two transmitters’ audio output will be separated to the left and right sides.
Double click: enable pairing mode.

Operation Guide

For the SKM-S1/ SKM-SZ Kit

  1. Press and hold the power button for 2 seconds to turn on the transmitter and the recelver.

  2. Pairing
    Before leaving factory, the system is pre-paired. Therefore, the connection will be established once they are powered on. If they are disconnected, please follow the steps below:
    1.  Double-click the power button of transmitter and receiver to enter the pairing mode. The indicators of both blink blue 3 times quickly.
    2. Transmitter and receiver will be successfully paired within 5 seconds.
    The indicators of both will turn solid blue.
    3. Repeat the above steps to pair another transmitter with the receiver.

  3. Connect the receiver to the mic input of a camera, recorder or mixer with the included 3.5mm TRS to TRS cable; or connect it to a smartphone, tablet, or computer with the included 3.5mm TRS to TRRS cable.

  4. You are ready to record.

For the SKM-S1-D/SKM-S2-D/SKM-S1-U/SKM-S2-U Kit

  1. Press and hold the power button for 2 seconds to turn on the transmitter.

  2. Plug the SKM-S-RXD into an iOS device or the SKM-S-RXU into a USB-C device.

  3. Pairing
    Before leaving factory, the system is pre-paired. Therefore, the connection will be established once they are powered on. If they are disconnected, please follow the steps below:
    1.  Double-click the power button of transmitter. The indicator quickly blinks blue 3 times.
    2. Then, insert the supplied pairing pin into the small pinhole on the receiver and double click the button. The indicator of receiver blinks blue 3 times quickly.
    3. Transmitter and receiver will be paired within 5 seconds. After successfully paired, the indicator of transmitter will turn solid blue.
    4. Repeat the above steps to pair another transmitter with the receiver.

  4. You are ready to record.
    Note: Due to the 2.4GHz wireless frequency Is widely used, the signal may be easily attenuated or interfered. Please try to avoid obstacles while using, such as walls and buildings. And keep away from the devices with 2.4GHz frequency, such as high-power WI-Fi antennas, radios, etc.

Specifications

SKM-S-TX

Transmission Type 2.4GHz ISM
Modulation GFSK
Operating Range (without obstacles) >60m
RF Output Power <10mW
Audio Input 3.5mm Jack or Built-in Omnidirectional Mic
Frequency Response 501-17-20kHz
Signal-to-Noise Ratio > 75dB
Maximum SPL Built-in Microphone:120dB SPL
Sensitivity Built-in Microphone: -39dB±2dB (0d6=1V/PatolkHz)
Noise Cancellation Yes
Power Requirement Built-in Li-ion Battery or USB-C DC 5V
Antenna PIFA Antenna
Battery Life Approx. 6 hours
Weight 18g
Dimensions 40.2×39.4×18.6mm
Operating Temperature 0°C to 50°C
Storage Temperature – 20°C to 55°C

SKM-S-RX

Transmission Type 2.4GHz ISM
Modulation GFSK
Operating Range (without obstacles) >50m
RF Output Power <10mW
Audio Output 3.5 mm Headphone Output Jack 3.5 mm TRS Line Output Jack
Power Requirement Built-in li-ion Battery or USB-C DC 5V
Antenna PI FA Antenna
Built-In Battery life Approx. 6 hours
Weight 18g
Dimensions 40.2×39,8×18,6mm
Operating Temperature 0°C to 50°C
Storage Temperature -20°C to 55°C

SKM-S-RXD

Transmission Type 2.46Hz ISM
Modulation GFSK
Operating Range (without obstacles) >60m
Audio Output MFi Certified Lightning Connector
Power Requirement Supplied by iOS Devices
Antenna PIFA Antenna
Weight 10g
Dimensions 23.5x 311×11.9mm
Operating Temperature 0°C to 50°C
Storage Temperature – 20°C to 55°C

SKM-S-RXU

Transmission Type 2.4GHz ISM
Modulation GFSK
Operating Range (without obstacles) >60m
Audio Output USB-C Connector
Power Requirement Supplied by USB-C Devices
Antenna PIFA Antenna
Weight lOg
Dimensions 23.5x38x11.9mm
Operating Temperature Oct to 50°C
Storage Temperature – 20°C to 55°C

Packing List

SKM-S1
1x SKM-S-TX Transmitter
1 SKM-S-RX Receiver
1x 3.5mm TRS to TRS Output Cable for Cameras
1x 3.5mm TRS to TRRS Output Cable for Smartphones
2x USB-C Charging Cable
1x Fur Windshield| SKM-S2
2x SKM-S-TX Transmitter
1x SKM-S-RX Receiver
1x 3.5mm TRS to TRS Output Cable for Cameras
1x 3.5mm TRS to TRRS Output Cable for Smartphones
3x USB-C Charging Cable
2x Fur Windshield| SKM-S1-D
1x SKM-S-TX Transmitter
1x SKM-S-RXD Receiver
1x USB-C Charging Cable
1x Fur Windshield
1x Pairing Pin
---|---|---
SKM-S1-U
1x SKM-S-TX Transmitter
1x SKM-S-RXU Receiver
1x USB-C Charging Cable
1x Fur Windshleld
1x Pairing Pin| SKM-S2-D
2x SKM-S-TX Transmitter
1x SKM-S-RXD Receiver
2x USB-C Charging Cable
2x Fur Windshield
1x Pairing Pin| SKM-S2-U
2x SKM-S-TX Transmitter
1x SKM-S-RXU Receiver
2x USB-C Charging Cable
2x Fur Windshield
1 x Pairing Pin

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SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System - qr
code

1F0300200159

Documents / Resources

| SEVENOAK SKM-S Series 2.4GHz Dual-Channel Wireless Microphone System [pdf] User Manual
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