CM4640P - Loudspeaker LG - Free user manual and instructions
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| Brand | LG |
| Model | CM4640P |
| Product Type | Loudspeaker system |
| Color | Black |
| Dimensions (W x H x D) | 320 x 220 x 270 mm |
| Weight (each speaker) | 4.2 kg |
| Power Output | 120 W RMS |
| Frequency Response | 50 Hz - 20 kHz |
| Impedance | 4 ohms |
| Sensitivity | 90 dB |
| Driver Configuration | 5.25" woofer and 1" tweeter |
| Connectivity | Bluetooth, AUX, USB |
| Controls | Volume, play/pause, power |
| Power Supply | AC 100-240V, 50/60Hz |
| Power Consumption | 80 W (max) |
| Cabinet Material | MDF |
| Placement Options | Bookshelf or stand mount |
| Included Accessories | Power cord, remote control, user manual |
| Safety Features | Overheat and short-circuit protection |
| Maintenance | Clean with a soft, dry cloth |
| Repairability | Accessible drivers; replaceable parts |
Frequently Asked Questions - CM4640P LG
How do I connect my LG CM4640P to a Bluetooth device?
Press the Bluetooth button on the speaker or remote to enter pairing mode. On your smartphone or tablet, enable Bluetooth and select LG CM4640P from the list. The speaker will play a confirmation sound once paired.
What should I do if there is no sound from the speaker?
First, check that the speaker is powered on and the volume is not muted. Verify the audio source is properly connected. If using Bluetooth, reconnect the device. For wired connections, ensure the AUX cable is firmly inserted. If the issue persists, try a different audio source.
Can I connect the CM4640P to my TV?
Yes, you can use the AUX input to connect the speaker to your TV's headphone or audio output. If your TV supports Bluetooth, you can also pair them wirelessly.
How do I clean and maintain the speaker?
Use a soft, dry cloth to wipe the exterior. Avoid using water, chemicals, or abrasive cleaners. Keep the speaker away from moisture and direct sunlight to prevent damage.
What are the storage and safety recommendations?
Store the speaker in a dry, cool place. Do not expose it to rain, water, or excessive heat. Ensure proper ventilation around the unit and do not block the cooling vents. If an issue occurs, unplug the power cord.
Does the CM4640P have a built-in amplifier?
Yes, the speaker is active (self-powered) and contains a built-in amplifier, so it can be directly connected to audio sources without an external receiver.
Can I mount this speaker on a wall?
The CM4640P is designed for bookshelf placement or stand mounting. It does not include keyhole brackets. If you wish to wall mount, use a compatible universal speaker bracket that supports the weight.
How can I improve the bass response?
Place the speaker close to a wall or in a corner to enhance low frequencies. Also, check your audio source's equalizer settings and increase the bass level. Avoid placing the speaker on a soft surface that absorbs bass.
What is the power consumption in standby mode?
In standby, the speaker consumes less than 0.5 W, complying with energy-saving regulations. To save energy, turn off the speaker completely when not in use.
Are replacement parts available for the CM4640P?
Yes, typical replacement parts such as drivers, tweeters, and power supply boards can be ordered from authorized LG service centers. Please refer to the user manual for part numbers and contact information.
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USER MANUAL CM4640P LG
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Product information
Brand : LG
Model : CM4640P
Category : Loudspeaker