Cosmo C1 - Hi-fi system Hollyland - Free user manual and instructions
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| Product Type | Hi-fi system |
| Brand | Hollyland |
| Model | Cosmo C1 |
| Dimensions (approx.) | 200 x 120 x 160 mm |
| Weight (approx.) | 1.8 kg |
| Power Supply | AC 100-240V, 50/60Hz |
| Power Output | 2 x 15W RMS |
| Speaker Configuration | 2-way stereo with passive radiators |
| Frequency Response | 60 Hz – 20 kHz |
| Signal-to-Noise Ratio | >75 dB |
| Total Harmonic Distortion | <1% |
| Bluetooth Version | 5.0 |
| Bluetooth Range | Up to 10 meters |
| Audio Inputs | USB, AUX 3.5mm, microSD card |
| Audio Outputs | Headphone jack |
| Controls | Touch panel, remote control |
| Supported Audio Formats | MP3, WMA, WAV, FLAC |
| Battery (optional) | Built-in rechargeable battery for portable use (up to 6 hours) |
| Cleaning Instructions | Wipe with a soft dry cloth; avoid solvents |
| Safety Features | Overheat protection, CE certified |
| Repairability | Modular design; replaceable speakers and amplifier modules |
| Accessories Included | Remote control, USB cable, AUX cable, power adapter |
Frequently Asked Questions - Cosmo C1 Hollyland
How do I pair my phone with the Cosmo C1 via Bluetooth?
Turn on the system and press the Bluetooth button on the top panel. On your phone, enable Bluetooth and select 'Cosmo C1' from the device list. If prompted, enter code 0000.
Can I use the microSD card slot to play music?
Yes, insert a microSD card with MP3, WMA, or FLAC files into the slot. The system will automatically detect and play the files.
What is the power output of the Cosmo C1?
The system delivers 2 x 15W RMS, providing clear and balanced stereo sound.
How do I clean the Cosmo C1?
Unplug the system and use a soft, dry cloth to wipe the surfaces. Do not use any liquid or abrasive cleaners.
Is there a built-in battery for portable use?
Yes, the Cosmo C1 has a built-in rechargeable battery that provides up to 6 hours of playback time. Charge via the included USB power adapter.
What should I do if there is no sound from the speakers?
Check the volume level and ensure the correct input source is selected. Also verify that the Bluetooth or cable connection is active and the device is not muted.
Can I connect a subwoofer to the Cosmo C1?
No, there is no dedicated subwoofer output. However, the passive radiators provide enhanced bass response.
How do I reset the system to factory settings?
Press and hold the 'Volume +' and 'Volume -' buttons simultaneously for 5 seconds until the display shows 'RESET'.
What audio formats are supported via USB?
The USB port supports MP3, WMA, WAV, and FLAC files. Use a FAT32 formatted USB drive.
Is the remote control replaceable?
Yes, you can order a replacement remote control from Hollyland customer service or authorized dealers.
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USER MANUAL Cosmo C1 Hollyland
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Product information
Brand : Hollyland
Model : Cosmo C1
Category : Hi-fi system