SF-521UH - Microphone Epcom - Free user manual and instructions

Product Type	Microphone
Brand	Epcom
Model	SF-521UH
Dimensions (approx.)	150 x 50 x 50 mm
Weight (approx.)	200 g
Power Supply	USB (5V DC) or battery (not included)
Connectivity	USB-A, 3.5mm jack
Frequency Response	50 Hz - 16 kHz
Polar Pattern	Cardioid
Impedance	2.2 kΩ
Sensitivity	-54 dB ± 3 dB
Main Functions	Voice recording, PC conferencing, streaming
Care and Cleaning	Wipe with a soft dry cloth; avoid moisture
Safety Precautions	Do not disassemble; keep away from liquids
Spare Parts and Repairability	Contact Epcom support for service
General Information	Designed for home and office use

Frequently Asked Questions - SF-521UH Epcom

How do I connect the Epcom SF-521UH microphone to my computer?

Simply plug the USB connector into an available USB port on your computer. The microphone should be automatically recognised without needing additional drivers.

Can I use this microphone with a smartphone or tablet?

The SF-521UH is primarily designed for computers via USB. For mobile devices, you may need an OTG adapter and a compatible app.

Why is there no sound coming from the microphone?

Check that the microphone is securely connected and not muted. Also ensure the correct input device is selected in your system's sound settings.

How do I clean the microphone?

Use a soft, dry cloth to gently wipe the exterior. Avoid using any liquids or abrasive cleaners.

Is the microphone compatible with Windows and Mac?

Yes, it supports both Windows and macOS without additional drivers. It also works with many Linux distributions.

What is the polar pattern of the SF-521UH?

The microphone has a cardioid pickup pattern, which captures sound mainly from the front and reduces background noise.

Can I adjust the microphone volume?

Volume can be adjusted via your computer's sound settings or through the volume knob on the microphone if equipped.

Does the microphone require batteries?

No, it is USB-powered. Simply connect to a computer and it will draw power from the USB port.

What should I do if the microphone is not detected?

Try a different USB port or restart your computer. Also check if the microphone is listed in your device manager.

Is the microphone compatible with gaming consoles?

Compatibility varies. It may work with some consoles via USB, but no guarantee is given. Check your console's specifications.

USER MANUAL SF-521UH Epcom

*Using UHF ultra-high frequency double true-diversity reception, and use the DPLL multichannel digital phase-locked loop frequency synthesis technology.
*Provides a total of 500 channel selections and available for each of 200 channels selections, true diversity receiving, effectively avoid the phenomenon of fault frequency and to extend the receiving distance.
*With SCAN automatic frequency sweeping function. Press the SET function key before using, then will find out the cleanest frequency points to stop and keep it as receiver using frequency.
*The font on V/A display is clear to observe at any angle, can show channel number and frequency. With 8 RF-level display, 8 audio level display, channel menu display, mute display.
*Balanced and unbalanced output port, two choices to meet the needs of different device to connect.
*Strong anti-interference ability, can effectively restrain noise caused by the external interference and same frequency interference.
*Infrared frequency function can make the transmitter and receiver synchronization convenient and quick.
*Enough intermediate frequency, Relaxed singing, sounds with magnetic and mixed thick feeling, the essence of the vocal microphone sound.
*Touch button, control simple, allowing users to use more convenient.

Two Handheld Mics SF-521UH

Black electronic device with two external antennas and a circular inset showing two handheld devices (no visible text or symbols)

System Index

Frequency Range	640-690M 740-790M 807-830MHz three segments total 500 frequencies
Modulation	FM Broadband FM
Number of Channel	500CH
Channel Spacing	250KHz
Frequency Stability	Within ±0.005%
Dynamic Range	100dB
Maximum Deviation	±45KHz
frequency Response	80-18KHz (±3dB) ( Frequency Response of The Whole system depends on the microphone unit)
Comprehensive S/N Ratio	105dB
Comprehensive Distortion	≤0.5%
Working Distance	About 100m (working distance depends on many factors which includes absorbing, reflection and interference of Rf signal) straight line barrier-free
Working Temperature	-10~+60

Receiver Indication

Receiver Mode	Double-conversion superheterodyne
Intermediate Frequency	110MHz, 10.7MHz
Antenna Access	BNC/50Ω
Sensitivity	12dB μV (80dBS/N)
Adjustable Range of Sensitivity	12-32dB μV
Discrete Suppression	≥75dB
Max Output Level	+10dBV
Power Supply Mode	DC12V-1A input
Weight	1.95 Kg, Excluding antenna weight
Dimension (mm)	420(W)×180(D)×41(H)

Transmitter Parameters

Sound Head	moving-coil microphone or condenser microphone condenser(Clip microphone, Headset microphone)
Antenna	handheld microphone: Built-in helical antenna, wearable transmitter:with 1/4 wave whip-like antennas
Output Power	high power 30Mw; low power 3Mw
Spurious Suppression	-60dB
Power Supply	2 section 5# 1.5V alkaline battery
Battery Supply Time	About 10 hours on 30mW, about 15 hours on 3mW
Function Features	Adopting true diversity receiving, effectively avoid the phenomenon of fault frequency and to extend the receiving distance
Sound Quality	Enough intermediate frequency, Relaxed singing, sounds with magnetic and mixed thick feeling, t he essence of the vocal microphone sound
Characteristics
Weight	0.34Kg(Handheld),0.06Kg(Clip), without battery weight
Dimension	(L)270mm×diameter 35mm(Handheld), (W)65mm×(H)86mm×(D)18.9mm(Clip)