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<title><![CDATA[EC21 Product Catalogs - 4 ch audio input]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/4 ch audio input.html]]></link><item>
<title><![CDATA[7 Inch AHD Quad or 3CH Heavy Duty Radar Monitor]]></title><link><![CDATA[https://hsmoolsan.en.ec21.com/7_Inch_AHD_Quad_or--2495822_10981172.html]]></link><description><![CDATA[Input
4Ch(Shutter Cam
connectable in CA1)
Audio Input
Only 1 CH Audio support for RC-01 
Option : Audio 4CH 
Audio Output
1W mono speaker
Speaker Impedance
8 Ohm
Waterproof
IP69K
Camera Connector
4P ]]></description><pubDate><![CDATA[20260416]]></pubDate></item>
<item>
<title><![CDATA[7 Inch AHD Monitor(XRM-730HD Series)]]></title><link><![CDATA[https://dongyangxm.en.ec21.com/7_Inch_AHD_Monitor_XRM--11593016_11594115.html]]></link><description><![CDATA[Input
(AHD 2.0RX/CVBS Support)
1 CH
2 CH
3 CH
Audio Input
1 CH
2 CH
3 CH
Audio Output
1W mono speaker
Waterproof
IP64(Option)
Camera Connector
4P Din or 4P Screw Lock
OSD
Multi-Language(English, Japa]]></description><pubDate><![CDATA[20260412]]></pubDate></item>
<item>
<title><![CDATA[16ch HDMI Output 4K Network Decoder with 32ch 4K or 160ch 1080P Video Decoding Capability]]></title><link><![CDATA[https://daxunview.en.ec21.com/16ch_HDMI_Output_4K_Network--12051080_12051794.html]]></link><description><![CDATA[Audio encode/decodeOn/MuteSupports all channels and single channel quick setting individually.InterfaceAudio InputNo physical input of audio.Audio Output16ch,Ф3.5 socketRS232/4221chEthernet4ch, 1000]]></description><pubDate><![CDATA[20250324]]></pubDate></item>
<item>
<title><![CDATA[PX5 Customized Android]]></title><link><![CDATA[https://carstereochina.en.ec21.com/PX5_Customized_Android--11513595_12046898.html]]></link><description><![CDATA[input 
One way reversing CVBS input + one way rear video input
Audio input 
AUX
Video output 
Two way rear video output
Audio output 
Line out 4ch Subwoofer 2ch
USB interface 
USB1(CP&amp;AA); USB2
Multi]]></description><pubDate><![CDATA[20250305]]></pubDate></item>
<item>
<title><![CDATA[Taxi CCTV System Vehicle Mounted CCTV DVR 4 Channel AHD MDVR Mobile DVRs]]></title><link><![CDATA[https://vehiclemdvr.en.ec21.com/Taxi_CCTV_System_Vehicle_Mounted--10320086_12011546.html]]></link><description><![CDATA[4G-4GE (GPS+4G)
SW-MAVR9804GW-4GE (GPS+4G+WIFI)
F eatures : 
S ystem: 
Built-in high performance Hisilicon chipset, coded with H.264 standard, high compression rate and image quality;
4CH AV Inputs w]]></description><pubDate><![CDATA[20240929]]></pubDate></item>
<item>
<title><![CDATA[7 Inch 2.4GHZ Digital Wireless  Backup Camera System]]></title><link><![CDATA[https://mingshang138.en.ec21.com/7_Inch_2.4GHZ_Digital_Wireless--11989703_11992689.html]]></link><description><![CDATA[4 split view, 4 CH video, and 1 CH audio, with 3 triggers, Recording function optional4. Real time recording, One SD card input, maximum storage 128GB, 1/2/3/4 channel recorder optionalFor one channe]]></description><pubDate><![CDATA[20240827]]></pubDate></item>
<item>
<title><![CDATA[4-CH 1080P HD-CVI/ TVI/ AHD   To   Fiber Converter (   Video  Optical Transceiver )]]></title><link><![CDATA[https://jx666888.en.ec21.com/4_CH_1080P_HD_CVI--11963546_11963582.html]]></link><description><![CDATA[input videos.
3.Support 4 ch HD-CVI/TVI/AHD signal and controlling data simultaneously
through coaxial cable.
4.DC 5V power supply.
&gt; Support 720p/25,720p/30,720p/50,720p/60,960p,1080p/25,1080p/30 vi]]></description><pubDate><![CDATA[20240705]]></pubDate></item>
<item>
<title><![CDATA[FNIRSI 2C53P 3 in 1 Dual Channel Touch Screen Digital Oscilloscope]]></title><link><![CDATA[https://phonefix11.en.ec21.com/FNIRSI_2C53P_3_in_1--11948200_11950138.html]]></link><description><![CDATA[4kByte.
Input Mpedance: 1MΩ.
Time Base Range: 10ns/div-10s/div.
Vertical Sensitivity: 10mv/div-10v/div.
Vertical Resolution: 8 Bits.
Maximum Measured Voltage: ±400V.
Probe: 1x/10x.
Torage Space: 13]]></description><pubDate><![CDATA[20240611]]></pubDate></item>
<item>
<title><![CDATA[2.0CH Home Theater System Games RGB Soundbar]]></title><link><![CDATA[https://cn03709520.en.ec21.com/2.0CH_Home_Theater_System_Games--8349458_10548075.html]]></link><description><![CDATA[2.0CH Home Theater System Games RGB Soundbar
Dissipated Power: 6-60w
Rated Output Power(RMS): 10w +2.5w*2
Distortion: ≤0.15% (Po=1W f=1 KHz)
SNR: ≥82dB
Separation: ≥45dB
AFR: ＜0.5dB
Input Sen]]></description><pubDate><![CDATA[20240509]]></pubDate></item>
<item>
<title><![CDATA[FHD Dash Cam 3.5inch  Winner 2CH]]></title><link><![CDATA[https://larrykwon.en.ec21.com/FHD_Dash_Cam_3.5inch_Winner--9572792_9572793.html]]></link><description><![CDATA[Input
DC 12V~24V
Backup Battery
Super Capacitor
G-Sensor
3D Shock sensor
Audio Compression
AVI
Video Output
NTSC
Voice recording
Built-in high sensitive microphone
Voice Guidance
Built-in Speaker
Vid]]></description><pubDate><![CDATA[20150708]]></pubDate></item>
<item>
<title><![CDATA[16CH H.264 DVR Support 3G Mobile Watching and CMS]]></title><link><![CDATA[https://ybjerry.en.ec21.com/16CH_H.264_DVR_Support_3G--1252273_1523266.html]]></link><description><![CDATA[input
16 CH BNC
Video output
1CH BNC,1CH VGA
Audio input 
4CH
Audio output
1CH
Alarm input
4CH
Alarm output
1CH relay
Net port
RJ45 10M/100M ethernet
RS-485
support
USB port
Two totally,One for mouse]]></description><pubDate><![CDATA[20120117]]></pubDate></item>
<item>
<title><![CDATA[4ch Ahd DVR]]></title><link><![CDATA[https://2817245108.en.ec21.com/4ch_Ahd_DVR--9784750_9781394.html]]></link><description><![CDATA[Audio
Audio compression
G.711A
Intercom
support
Record &amp;
Record mode
manual&gt;alarm&gt;motion detection&gt;timing
playback
Local Playback
4ch(local input mode)
Search mode
Search by time, calendar, event, ch]]></description><pubDate><![CDATA[20151217]]></pubDate></item>
<item>
<title><![CDATA[Wireless Security Camera(Li-battery Embedded)]]></title><link><![CDATA[https://cctung.en.ec21.com/Wireless_Security_Camera_Li_battery--1996346_1996683.html]]></link><description><![CDATA[450MHz;CH4=2468MHz
Receiver 
Receiving Frequency:ISM 2,400~2,483MHz
Intermediate Frequency:480MHz
Frequency Stabilization:&amp;#177;100KHz
Demodulation Mode:FM
Antenna:50ohm SMA
Local Leakage at Input Te]]></description><pubDate><![CDATA[20080324]]></pubDate></item>
<item>
<title><![CDATA[3G SDI To AV Scaler Converters]]></title><link><![CDATA[https://phoenixqin.en.ec21.com/3G_SDI_To_AV_Scaler--6262205_8655163.html]]></link><description><![CDATA[4/60 4:2:2 10-bit
5. Connect with other units to extend your signal over long distances
6. Simultaneous display with SDI /AV signals
7. Alternative audio output to analog 2CH
8. Supports signal trans]]></description><pubDate><![CDATA[20131205]]></pubDate></item>
<item>
<title><![CDATA[Analog Simultaneous Interpretation System]]></title><link><![CDATA[https://4453811988.en.ec21.com/Analog_Simultaneous_Interpretation_System--10264679_10268907.html]]></link><description><![CDATA[Input channel direct function 
9.Has 4CH interpreter&amp;rsquo;s voice for record 
10.PB test and display function 
11.Installed in a 19-inch frame
Technical Specifications: 
Modulation mode
FM
Frequency]]></description><pubDate><![CDATA[20170109]]></pubDate></item>
<item>
<title><![CDATA[DVR Board (Video Capture and Display Board - 4 / 8 / 16)]]></title><link><![CDATA[https://gsbcsimex.en.ec21.com/DVR_Board_Video_Capture_and--296094_3509495.html]]></link><description><![CDATA[40
Max. 120/100 FPS / 704 x 240 
Max. 120/100 FPS / 704 x 480
Audio Recording (Option)
8 Channels 
Video Output
1CH Rotation Out 
Multi screen Out 
8 CH Loop Out 
Sensor Input (Option)
4 Ports (8/16 ]]></description><pubDate><![CDATA[20080521]]></pubDate></item>
<item>
<title><![CDATA[DVR   SDVR-4000]]></title><link><![CDATA[https://finetel.en.ec21.com/DVR_SDVR_4000--774731_2144100.html]]></link><description><![CDATA[INPUT 4 CH, Input Level Composite 1.0Vp-p, Output Level Composite 1.0Vp-p +-0.2.Output 4CH Loop-back (BNC), 1 CH S-VIDEO. Audio 4CH Line input 1CH out put. Alarm Input 4 (NC/NO Selectable)Output 2 (N]]></description><pubDate><![CDATA[20101122]]></pubDate></item>
<item>
<title><![CDATA[VW Original OEM Menu Bluetooth IPOD Support Car Info ALC Oil Gauge Display Wifi for VW(RNS510)]]></title><link><![CDATA[https://bondtex.en.ec21.com/VW_Original_OEM_Menu_Bluetooth--2992300_9466384.html]]></link><description><![CDATA[4x45W amplifier 
10.4ch audio output,Subwoofer output 
11.1 A/V input(1 video,2 audio),1 A/V output(2 video,4 audio). 
12. Auto rear viewing function 
13. Mute at telephone calling 
14. Picture adjus]]></description><pubDate><![CDATA[20150413]]></pubDate></item>
<item>
<title><![CDATA[3 Port PIP HDMI Audio Extractor for 4K/PIP/ARC/Super EDID/HDMI Switch]]></title><link><![CDATA[https://jeenalee.en.ec21.com/3_Port_PIP_HDMI_Audio--10211046_10219230.html]]></link><description><![CDATA[audio output and 2 channel RCA analog audio output 
2.Any input HD Source can do audio extract by the SPDIF or L/R audio output port. 
3.HDMI supports Full HD 3D and 4Kx2K video 
4.Supports 15 built-]]></description><pubDate><![CDATA[20161116]]></pubDate></item>
<item>
<title><![CDATA[Samsung 4K UHD JU6500 Series Smart TV]]></title><link><![CDATA[https://wangsanjan090.en.ec21.com/Samsung_4K_UHD_JU6500_Series--10328330_10867715.html]]></link><description><![CDATA[40 x 2160
Motion Rate
120
PurColor (Color Accuracy)
Yes
UHD Upscaling
UHD Upscaling
Depth Enhancing Technology
Contrast Enhancer
Audio
Dolby
Dolby MS 11
Sound Effect
Audio enhancement technology for ]]></description><pubDate><![CDATA[20200508]]></pubDate></item>
<item>
<title><![CDATA[HD-500, Full HD All-in-One Karaoke Player]]></title><link><![CDATA[https://apexdigitaltech.en.ec21.com/HD_500_Full_HD_All--9581918_9582001.html]]></link><description><![CDATA[4, VOB, MPG, DAT, MP3+G, CD+G, DVD, VCD 
Supported Audio: MIDI, MP3, AC3, AAC, FLAC, OGG 
Video Output: Composite, Component and HDMI Output 
Audio output: 2CH, 5.1CH Analog, Optical and HDMI Output ]]></description><pubDate><![CDATA[20150710]]></pubDate></item>
<item>
<title><![CDATA[Professional Audio Digital Amplifier FP-10000Q]]></title><link><![CDATA[https://artonephile.en.ec21.com/Professional_Audio_Digital_Amplifier_FP--10640770_10640790.html]]></link><description><![CDATA[input of each channel;
Heavy duty Speakon output or binding post connectors for speaker
Specification: 
Model No.
4 Channel Power Amplifier FP-10000Q
Peak Output Power / Voltage / Current (per ch)
10]]></description><pubDate><![CDATA[20180109]]></pubDate></item>
<item>
<title><![CDATA[Furuno Half-circle Color Scanning Sonar FSV-75]]></title><link><![CDATA[https://gpsfishfinderltd.en.ec21.com/Furuno_Half_circle_Color_Scanning--6181720_6181860.html]]></link><description><![CDATA[ch, HDMI, SXGA
NMEA0183: 5 ch, V1.5/2.0/3.0/4.0/4.1
External KP: 1 ch, current loop or contact closure
(Input: 5-15 V, Output: 12 V)
Voice output: 1 ch, 10 W, 4 ohms, monaural
Gyrocompass: 1 ch, AD-1]]></description><pubDate><![CDATA[20200215]]></pubDate></item>
<item>
<title><![CDATA[Double Din Universal GPS Sat Navi DVD PLAYER BT Phonebook]]></title><link><![CDATA[https://autocardvdplayer.en.ec21.com/Double_Din_Universal_GPS_Sat--5803122_5820180.html]]></link><description><![CDATA[4 edition
Support Music
YES
support video
No
controlling on screen
YES
Read play list
YES
Charge up the ipod
NO
Video/Audio in/out
Video in/out
One channel video input
Audio in/out
4.1 Ch line output]]></description><pubDate><![CDATA[20110912]]></pubDate></item>
<item>
<title><![CDATA[IR Simultaneous Snterpretation System - SINGDEN]]></title><link><![CDATA[https://singden118.en.ec21.com/IR_Simultaneous_Snterpretation_System_SINGDEN--7282888_8879648.html]]></link><description><![CDATA[Input channel direct function 
&amp;bull; Has 4CH interpreter&amp;rsquo;s voice for record 
&amp;bull; PB test and display function 
&amp;bull; Installed in a 19-inch frame 
Technical Specifications:
Modulation mode]]></description><pubDate><![CDATA[20151219]]></pubDate></item>
<item>
<title><![CDATA[Mobile DVR (4 Ch. 2.5]]></title><link><![CDATA[https://si1verwing.en.ec21.com/Mobile_DVR_4_Ch._2.5--6609376_6609377.html]]></link><description><![CDATA[Video Output 1 Analog (RCA) Video Input 4 Camera Input Video Format NTSC or PAL Audio Input/output 1/1 Display Mode 1 Full, 4 Full, 1Up, 4 Up Video Compression Mpeg-4 ASP Audio Compression PCM, ADPCM]]></description><pubDate><![CDATA[20120426]]></pubDate></item>
<item>
<title><![CDATA[Howen 4 Channel AHD SD Card Mobile DVR Anti Vibration, High Temperature Resistance]]></title><link><![CDATA[https://howenclark.en.ec21.com/Howen_4_Channel_AHD_SD--10960435_10960692.html]]></link><description><![CDATA[4PIN Aviation Interface video output
Video Display
Support 1-4ch
Video Standard
PAL/NTSC
Image Compression
H.264 Main profile ， PAL： 100fps 720P, NTSC：120fps 720P
Audio
Audio input
4ch RCA
Audi]]></description><pubDate><![CDATA[20190525]]></pubDate></item>
<item>
<title><![CDATA[DVB-S2 Receiver]]></title><link><![CDATA[https://i-dit.en.ec21.com/DVB_S2_Receiver--8687314_9259435.html]]></link><description><![CDATA[CH, VOL, Menu, O.K,Exit 
Rear Panel 
Tuner Input : F-type Connector 
6RCA : Video, Audio L, Audio R / YPbPr 
Ethenet : RJ-45 
HDMI : Type A 
USB : USB2.0 
RS232 : 9 Pin D-Sub Type 
Power Supply 
Inpu]]></description><pubDate><![CDATA[20150212]]></pubDate></item>
<item>
<title><![CDATA[Azbox Evo Xl]]></title><link><![CDATA[https://huayue82.en.ec21.com/Azbox_Evo_Xl--7146254_7148475.html]]></link><description><![CDATA[Audio Output
3.SPECIFICATIONS
CPU &amp; Memory
CPU
D61115GM
Clock frequency
81MHz MIPS
SDRAM memory
16M byte
Flash memory
2M byte
Tuner&amp; Demodulator
2 Input Connector
F-type, IEC 169-24
IF Input Frequenc]]></description><pubDate><![CDATA[20121003]]></pubDate></item>
<item>
<title><![CDATA[S O N Y NEX-VG900 Full-Frame Interchangeable Lens Camcorder]]></title><link><![CDATA[https://shengxianphotoequipe.en.ec21.com/S_O_N_Y_NEX--8041605_8041606.html]]></link><description><![CDATA[4.0 Megapixel, 6000 x 4000 RAW: 10.3 Megapixel, 3936 x 2624 RAW: 4.6 Megapixel, 2640 x 1760
Channels
2-Channel Stereo
Audio Format
Dolby Digital 5.1 Dolby Digital 2ch
Display 
Display Type
LCD
Touchs]]></description><pubDate><![CDATA[20130522]]></pubDate></item>
<item>
<title><![CDATA[32 Channels Digital Mixing Console CM32]]></title><link><![CDATA[https://dsppacs.en.ec21.com/32_Channels_Digital_Mixing_Console--11829524_11875124.html]]></link><description><![CDATA[4 Popular Edition
32 Popular Edition
CM24
CM32
Analog Input
24CH (MIC/Line)
32CH (MIC/Line)
24CH (MIC/Line)
32CH (MIC/Line)
Analog Output
L/R+10BUS+Headphone(L/R)
Noise Floor
-88dBu unweighted, AES17]]></description><pubDate><![CDATA[20231213]]></pubDate></item>

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