Activo CT10 - Mp3 player Astell&Kern - Free user manual and instructions
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| Product Type | Portable Music Player |
| Brand | Astell&Kern |
| Model | Activo CT10 |
| Dimensions | 55.6 x 96.8 x 14.0 mm |
| Weight | 162 g |
| Display | 3.31-inch touchscreen, 240×400 pixels |
| Storage Capacity | 64 GB internal, expandable via microSD (up to 1 TB) |
| Battery | 3000 mAh, up to 10 hours playback |
| Power Input | USB-C (5V/2A) |
| Audio DAC | ESS ES9218P (Quad-DAC) |
| Supported Audio Formats | WAV, FLAC, ALAC, AIFF, DSD (DSD64/128), MP3, WMA, OGG, MQA |
| Max Resolution | 32-bit/384 kHz PCM, DSD128 (5.6 MHz) |
| Analog Output | 3.5mm unbalanced, 2.5mm balanced |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.2 (AAC, aptX HD) |
| Streaming Services | Tidal, Qobuz, Deezer, Amazon Music HD (via Open Service) |
| Operating System | Custom Android (closed system) |
| Cleaning | Use a soft, lint-free cloth; avoid liquids and abrasives |
| Safety | Do not disassemble; avoid extreme temperatures and moisture |
| Spare Parts & Repairability | Battery replacement by authorized service center; no user-serviceable parts |
Frequently Asked Questions - Activo CT10 Astell&Kern
How to transfer music to the Activo CT10?
Connect the player to a computer via USB-C. The device appears as a mass storage drive. Drag and drop music files into compatible folders (e.g., MUSIC). Supported formats include FLAC, WAV, DSD, MP3, etc.
Can I use Bluetooth headphones?
Yes, the Activo CT10 supports Bluetooth 4.2 with AAC and aptX HD codecs. Pair your headphones via Settings > Bluetooth.
How to update firmware?
Ensure the device is connected to Wi-Fi. Go to Settings > System > About Device > System Update. The player will check for updates and prompt installation.
What is the battery life?
The built-in 3000 mAh battery provides up to 10 hours of playback depending on file format, volume, and features used (e.g., Wi-Fi, screen brightness).
Does it support microSD cards?
Yes, it has a microSD slot supporting cards up to 1 TB. Insert the card with gold contacts facing down into the slot on the side.
Can I stream from online services?
Yes, the Activo CT10 supports streaming via Tidal, Qobuz, Deezer, and Amazon Music HD. Install the respective app from the built-in app store.
How to clean the device?
Use a soft, dry, lint-free cloth. Do not use liquids, chemicals, or abrasive materials. Keep the USB and headphone ports free of dust.
What is the difference between 3.5mm and 2.5mm output?
The 3.5mm is an unbalanced stereo output, while the 2.5mm is a balanced output that reduces crosstalk and noise, providing better sound quality with balanced headphones/cables.
Does it support DSD playback?
Yes, it supports native DSD playback up to DSD128 (5.6 MHz) for both .DSF and .DFF files. DSD64 and DSD128 are supported.
How to factory reset?
Go to Settings > System > About Device > Reset and choose 'Factory Data Reset'. This will erase all data. Backup your files first.
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USER MANUAL Activo CT10 Astell&Kern
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Product information
Brand : Astell&Kern
Model : Activo CT10
Category : Mp3 player