X7 Mark II - Hi-Fi System FiiO - Free user manual and instructions
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| Product Type | Hi-Fi Digital Audio Player with DAC and Amplifier |
| Model | X7 Mark II |
| Brand | FiiO |
| Dimensions (W x H x D) | Approx. 130 x 65.5 x 15.3 mm |
| Weight | Approx. 200 g |
| Power Supply | Internal rechargeable Li-po battery, 5V/2A USB charging |
| Battery Capacity | 3700 mAh, up to 10 hours playback |
| Display | 4.0 inch IPS touchscreen, 480x800 pixels |
| DAC Chip | Dual ES9018K2M Sabre32 Reference |
| Amplifier | Custom THX AAA technology (on amp module) |
| Supported Audio Formats | DSD, FLAC, APE, WAV, ALAC, MP3, AAC, WMA, etc. |
| Maximum Sampling Rate | 384 kHz / 32-bit, DSD256 native |
| Output Power | 500 mW @ 32Ω (balanced) |
| Connectivity | USB Type-C, 3.5mm single-ended, 2.5mm balanced, line out, coax/optical out |
| Wireless | Bluetooth 4.2 with aptX, Wi-Fi 2.4/5GHz |
| Storage | Expandable via microSD up to 256GB |
| Operating System | Android 5.1.1 with FiiO Music app |
| Primary Functions | High-resolution audio playback, USB DAC for PC, Bluetooth receiver, streaming via Wi-Fi |
| Care & Maintenance | Keep dry, avoid extreme temperatures, clean with soft cloth |
| Safety Warnings | Do not disassemble, avoid liquid contact, use original accessories |
| Spare Parts & Repairability | Battery replacement available, amp module interchangeable; service center recommended |
| General Information | Use only with compatible formats, update firmware via FiiO support |
Frequently Asked Questions - X7 Mark II FiiO
What is the battery life of the FiiO X7 Mark II?
The X7 Mark II has a 3700 mAh battery, providing approximately 8-10 hours of continuous playback depending on volume and format.
Does the FiiO X7 Mark II support Bluetooth aptX HD?
It supports Bluetooth 4.2 with aptX (not HD) for high-quality wireless audio.
Can I use the X7 Mark II as a USB DAC for my computer?
Yes, it can be used as a USB DAC via the Type-C port; supports asynchronous USB audio.
What audio formats are supported?
It supports DSD (up to DSD256), FLAC, APE, WAV, ALAC, MP3, AAC, WMA, and more.
Is the X7 Mark II compatible with streaming services?
Yes, via its Android OS and Wi-Fi, you can install streaming apps like Tidal, Qobuz, and Spotify.
How do I update the firmware?
Download the latest firmware from FiiO's official website and follow the instructions in the user manual.
What is the maximum microSD card size supported?
It supports microSD cards up to 256GB (FAT32/exFAT).
Can the X7 Mark II drive high-impedance headphones?
Yes, the balanced output delivers up to 500 mW at 32Ω, sufficient for most headphones up to 300Ω.
How do I clean the device?
Use a soft, dry cloth to clean the screen and body. Avoid liquids and abrasive materials.
Is the battery replaceable?
The battery is internal and not user-replaceable. For replacement, contact FiiO service or a qualified technician.
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USER MANUAL X7 Mark II FiiO
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Product information
Brand : FiiO
Model : X7 Mark II
Category : Hi-Fi System