SR-WM4C - Microphone Saramonic - Free user manual and instructions

Product Type	Wireless Microphone System
Brand	Saramonic
Model	SR-WM4C
Category	Microphone
Connectivity	Wireless (UHF)
Frequency Range	500-560 MHz
Operating Range	Up to 100 meters (line of sight)
Battery Type	2x AA batteries (per transmitter/receiver)
Battery Life	Approximately 6 hours
Number of Channels	Dual channel (2 microphones)
Microphone Type	Lavalier (clip-on) omnidirectional
Dimensions (Transmitter)	63 x 47 x 22 mm
Dimensions (Receiver)	63 x 47 x 22 mm
Weight (Transmitter)	35 g (without batteries)
Weight (Receiver)	35 g (without batteries)
Power Supply	Battery or USB-C (receiver)
Main Functions	Wireless audio transmission, automatic pairing, mute function, volume control, LCD display
Maintenance & Cleaning	Use a dry, soft cloth to clean the body; avoid liquids; store in a dry place
Safety Precautions	Do not expose to moisture or extreme temperatures; use only specified batteries; turn off when not in use
Spare Parts & Repairability	Batteries and Lavalier microphones are replaceable; contact Saramonic support for repairs
General Information	Designed for vlogging, interviews, and content creation; compatible with cameras, smartphones, and recorders

Frequently Asked Questions - SR-WM4C Saramonic

How do I pair the transmitter and receiver?

Turn on both devices. Press and hold the pairing button on the receiver until the LED blinks. Then press the pairing button on the transmitter. They will automatically sync within a few seconds.

What batteries does the SR-WM4C use?

Each unit uses 2 AA batteries. Alkaline or rechargeable NiMH batteries are recommended for best performance.

Can I charge the receiver via USB?

Yes, the receiver has a USB-C port for charging. You can use a standard 5V USB charger or power bank.

How do I connect the microphone to my camera?

Use the included 3.5mm TRS cable to connect the receiver's output to your camera's microphone input. Make sure both devices are powered on and paired.

What is the effective range of the wireless system?

The operating range is up to 100 meters (328 feet) in open line-of-sight conditions. Obstacles like walls may reduce the range.

How do I mute the microphone?

Press the mute button on the transmitter. The LCD screen will show a mute icon. Press again to unmute.

Can I use two microphones simultaneously?

Yes, the SR-WM4C supports dual-channel operation. Pair two transmitters with the receiver and each will output on a separate audio channel.

What should I do if there is interference or static?

Try changing the frequency channel via the receiver's menu. Ensure both units are fully charged and avoid other wireless devices operating in the same band.

How do I clean the microphone and accessories?

Use a soft, dry microfiber cloth to wipe the units. For the lavalier mic, gently remove the windscreen and wash it with mild soap and water, then dry completely before reuse.

Is the SR-WM4C compatible with smartphones?

Yes, you can connect the receiver to a smartphone using the included TRS-to-TRRS adapter cable. Note that some smartphones may require a separate app for external mic input.

USER MANUAL SR-WM4C Saramonic

VHF Wireless Microphone System

Saramonic®

Product Introduction

General Introductions

The Saramonic SR-WM4C system is a compact and lightweight VHF wireless microphone system. Providing a perfect audio solution for recording free from the limit of distance. It is very helpful in film making, broadcast interview and business presentations.

Highlights

• Four switchable channels to keep you free from interference.
• Detachable and flexible antenna can be rotated 360^ accordingly for best sound.
• The high-band VHF provides pure sound.
• Record audio up to 60 meters away with no obstacle.
  • Real-time monitor.
  • Volume control wheel.
  • LED indicator indicates the battery life.
• Power provided by LR6/AA size alkaline battery.
• Three optional transmitters: bodypack, handheld and XLR plug-on transmitter.

Specifications

Operating Frequencies

Channel A Channel	B Channel C Channel D
203.65MHz 207.	75MHz 211.55MHz 215.35MHz

Trans mitte rs

Operating Frequencies 203-216MHz
Modulation Frequency Modulation
Signal to noise ratio 70dB or more
Antenna 1/8	λ wire antenna
Voice delay 12ms
Audio input connector	SR-WM4C: mini XLRSR-HM4C: noneSR-XLR4C: XLR-3-11C type (female)
Current Consumption 150MA
Battery LR6/AA size alkaline battery (not included)
Battery life 5 hours
Dimensions	SR-WM4C: L102*W62*H44.7 mmSR-HM4C: L100.5*W43*H35mmSR-XLR4C: L105*W42*H35mm
Weight	SR-WM4C: 80g (2.8 oz) without batterySR-HM4C: 137g (4.8 oz) without batterySR-XLR4C: 139g (4.9 oz) without battery

Receiver

Operating Frequencies 203-216MHz
Reception System FM Superheterodyne
Reception Sensitivity 2 μV for 30 dB S/N
Output Connector 3.5 mm (1/8") TRS
DC Input 9V DC (center-positive)
Battery	LR6/AA size alkaline battery (not included)
Current Consumption 150 mA
Battery Life 5 hours
Dimensions 102 x 62.0 x 44.7 mm
Antenna Length 178mm
Weight 80 g (2.8 oz) without battery

Product Structure

Body-pack Transmitter

Receiver

1. Antenna
2. Power Indicator
3. Microphone Input Jack
4. Power Switch
5. Belt Clip
6. Channel Selector Switch

7. Headphone Jack

8. Volume Control Wheel

9. Power Indicator

10. Audio Output Jack

11. Power Switch

12. Channel Selector Switch

13. Antenna

14. Cold Shoe Mount Adapter

Line drawing of a rectangular electronic device with ports and connectors (no text or symbols)

1

1. Battery Compartment

Hand-held Transmitter SR-HM4C

1. Battery indicator Solid Green: Sufficient battery level. Solid Red: Low battery

2. Power/Mute button ON, MUTE, OFF

3. Antenna

4. Battery compartment

Operates on two AA batteries (not included).

You could use alkaline, lithium or nickel metal hydride batteries.

1. Switchable 4 channels (A, B, C, D)

XLR Plug-on Transmitter SR-XLR4C

1. XLR audio input jack

Connects to an XLR microphone or audio devices with line output.

1. POWER indicator

Indicates the battery level as follows:

Solid Green: Sufficient battery level.

Solid Red: Low battery.

1. +48V power indicator

Lights up when the +48V phantom power is on.

1. MUTE indicator

Blinking Green: Audio is muted (i.e., disabled).

1. Channel indicator (A, B, C, D)

2. Power/Mute button

Turns the power or mute function to on or off.

Function Operation
Power ON Press button for one second or longer
Power OFF Press button until it turns off
Mute ON	Short press button
Mute OFF

1. SET button

Long press the SET button to turn on/off the 48V phantom power. Short press the SET button to choose the channels from A to D.

1. Battery compartment

Operates on two AA batteries (alkaline, nickel metal hydride, or lithium batteries).

Setup Guide

1. Install battery

The transmitters and receiver are each operated by two LR6/AA size alkaline batteries. Gently slide out the drawer or cover from the battery compartment. Insert the battery according to the indicator as shown. Slide the drawer closed until it clicks into place.

NOTE: If the SR-WM4C will not be used for a long time, please remove the batteries to prevent product damage due to battery leakage.

LED Indicator Status

Transmitter	Solid Green Adequate Battery
	Solid Red	Low battery & Voltage below 2.2V
Receiver	Solid Green Adequate Battery
	Blinking Red	Low battery & Voltage below 2.2V
	Solid Red	Low battery & Voltage below 2.1V

2. Mount the receiver on the camera or camcorder's hot-shoe or any other cold shoe adapter.

NOTE: Please try to keep the two antennas be parallel for best sound. Please do not touch the antenna during recording.

3. Connect the supplied signal transmission cable from the Audio Out jack on the receiver to the MIC input of a camera or camcorder.

4. Transmitter and receiver pairing.

Both transmitter and receiver must be set to same channel (A, B, C, D). If the selected channel is noisy, please switch both the transmitter and receiver to other channels until you could get a very clear sound.

NOTE: Two transmitters on the same frequency will not work with one receiver.

1. Turn the Power ON/OFF switch of both transmitter and receiver to the ON position.

2. Plug your earphone into the Phone Jack for real time monitor.

3. Adjust the volume control wheel for best sound.

Compatibility

Compatible with any compact camcorder or DSLR camera with a microphone jack.

Packing List

SR-WM4C

One SR-WM4C transmitter

One SR-WM4C receiver

One 1/8"(3.5 mm) signal transmission cable

Two antennas

One omnidirectional lavalier microphone

One pop shield

Two belt clips

One cold shoe mount adapter

User manual

Warranty Card

SR-HM4C

One handheld transmitter

User Manual

Warranty Card

SR-XLR4C

One Plug-on transmitter

User Manual

Warranty Card

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