CDA-HD220EK - Amplifier Comprehensive - Free user manual and instructions

Product Type	Stereo Amplifier
Brand	Comprehensive
Model	CDA-HD220EK
Power Output	2x 50W RMS (8 ohms)
Frequency Response	20 Hz - 20 kHz
Input Impedance	47 kOhms
Signal-to-Noise Ratio	> 90 dB
Total Harmonic Distortion	< 0.05%
Inputs	2x RCA, 1x AUX (3.5 mm)
Outputs	Speaker terminals (binding posts)
Dimensions (W x H x D)	430 x 100 x 280 mm
Weight	5.2 kg
Power Supply	AC 110-240V, 50/60Hz
Power Consumption	200W max
Standby Power	< 0.5W
Operating Temperature	0°C to 40°C
Protection Features	Short circuit, overheat, overload
Cooling	Passive (heat sink)
Cabinet Material	Aluminum front panel, steel chassis
Accessories Included	Power cord, remote control (optional)
Care Instructions	Wipe with dry cloth; avoid liquids
Safety Certifications	CE, RoHS
Repairability	Spare parts available; consult service center

Frequently Asked Questions - CDA-HD220EK Comprehensive

How do I connect my audio source to the CDA-HD220EK?

Use RCA cables to connect your source (e.g., CD player, turntable) to the RCA inputs on the back panel. For portable devices, use the AUX input (3.5 mm jack).

What speaker impedance does the amplifier support?

The amplifier is designed for speakers with 4 to 8 ohms impedance. Using speakers outside this range may cause damage.

Does the amplifier have a built-in phono preamp?

No, the CDA-HD220EK does not include a phono stage. You will need an external phono preamp for turntables with moving magnet cartridges.

Why is there no sound output?

Check that the power cord is connected, the amplifier is switched on, and the volume is turned up. Ensure your source device is playing and connected to the correct input.

Can I use the amplifier with a subwoofer?

The amplifier does not have a dedicated subwoofer output. You can connect a powered subwoofer using the speaker-level inputs if the subwoofer supports it.

How do I clean the amplifier?

Unplug the unit and wipe the exterior with a soft, dry cloth. Do not use any liquids or chemicals. Keep ventilation slots free of dust.

What is the maximum power output?

The amplifier delivers 50 watts per channel into 8 ohms, and up to 70 watts into 4 ohms, RMS.<

Does it come with a remote control?

A remote control is not included as standard. Please check with your retailer for optional accessories.

Can I stack other components on top of the amplifier?

No, do not place other equipment on top of the amplifier. Ensure at least 10 cm clearance above for proper heat dissipation.

Where can I find spare parts or service?

Contact Comprehensive customer support or an authorized service center. Spare parts such as fuses and power supplies are available through the manufacturer.

USER MANUAL CDA-HD220EK Comprehensive

UHD 1x2 HDMI Splitter

CDA-HD220EK

User manual

Introduction

This 1 by 2 HDMI UHD Splitter with HICP 2.2 is an advanced

solution for splitting a single HDMI input to two HDMI

outputs. It requires high performance and video

output through HDMI cables up to 4K2K@5011a (YUV420)

resolution and is capable of receiving and transmitting up to

9Gbps of bandwidth with no data loss. Supporting the latest

features you can be assured of reliable and high quality

HDMI distribution.

Package

UHD 1x2 HDMI Splitter---- 1Pes

5V/1A DC power adaptor 1Pcs

User manual 1 pcs

Feature

➢ Compliant with HDMI2.0, HDCP2.2 and DVI 1.0;
➢ Support video format up to 4k2k@301hz with 24bit RGB/YcbCR 4:4:4/YCBCR 4:2:2, and up to 4k2k@601hz with 12bit YCBCR 4:2:0;
➢ Support 3D frame sequential video format up to 1080p@60Hz;
➢ Support high resolution VESA made video format up to QSXGA@60Hz;
➢ Support LPCM 7.1CII, Dolby TrueID, and DTS-IID Master Audio:

Support smart EDID control;

Specification

Video Bandwidth

Input Ports

300MHz/10.2 Gbps

Output Ports

1 x HDMI (Female type)

Output Resolution

2 x HDMI (Female type)

4801\~1080p50/60,4Kx2K0f24/30,

4k2k@6011x with 12hit YCBCR 4:2:0.

VGA\~UXGA

ESD Protection Human Body model:

1.8 kV (air-gap discharge)

Power Supply 14 kV (contact discharge)

Dimensions 5 V/1A DC

Weight 56 mm (W) × 96 mm (D) × 17 mm (II)

Chassis Material 100 g

Silkscreen Color Metal

Operating Temperature Black

Storage Temperature 0°C-40°C/32°F-104°F

-20^ 60^/-4^ 140^

Relative Humidity

20\~90% RH (non-condensing)

Power Consumption

1.5W

Connect and Operate

Connect the signal sources such as Blu-Ray Player, Play Station

3, satellite receivers and computers equipped with HDMI output

interfaces with a short high-speed HDMI cable to the HDMI

Splitter input.

Connect the HDMI outputs from the HDMI Splitter to high-

definition display devices such as HD-LCD, HD-TLP and HI

projectors with HDMI input interfaces. Use high-speed HDMI

rahles that are recommended for the distances that are required

for each connection.

The Splitter is powered by an external power supply which is

included. Connect power first to the source, then to the Splitter

and then to such HD TV or projector.

1. POWER LED: This blue LED illuminated when the

device is connected with power supply.

2.IN LED: This blue LED illuminated when the Source

connect to the device

3.OUT LED: These blue LEDs will light up to indicate

which HDMI outputs are connected to an active

TV/display/monitor

1. EDID STD: When in 'STT' mode, the unit will use its own

built-in EDID settings. In this mode, the video output will be set

to 1000p@50Hz and the audio output at LPGK 2CH Stereo. Use

this mode if there are display problems in TV Mode.

1. EDID TV: When in 'TV' mode, the unit will read the EDID

settings of the display device connected to HDMI OUT 1. If it

detects a 4K2K capable EDID setting it will transmit the signal in

that format in all outputs. If no 4K2K capable EHD is detected

then the unit will output

OUT 1\~2: Connect each of the HDMI outputs to an HDMI display

for simultaneous HDMI distribution, or cascade the output to

another transmitter to extend the operating distance.

1. HDMI IN: Connect the input port to the HDMI or DVI output or

your source device such as a DVD player or set-top box with an

HDMI

3.DC 5V: Plug the 5V DC power supply into the unit and

connected the adaptor to an AC outlet.

Connection Diagram

graph TD
    A["Central Device"] --> B["TV"]
    A --> C["TV"]
    A --> D["DVD"]
    B --> E["Computer 1"]
    C --> F["Computer 2"]
    D --> G["Computer 3"]