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  • CS4398 DAC / LMH6643 AMP
  • Supports native DSD and lossless formats up to 192kHz/24bit
  • Dual crystal oscillator
  • Can be used as external DAC
  • Up to 11 hours continuous playback
  • MicroSD card slot up to 128GB

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Product Details

Technical Features

Utilising Cirrus Logic's top-flight CS4398 DAC coupled with FiiO's painstakingly tuned low-pass filter, the X3ii realises extremely low noise and phase distortion; also utilising premium tantalum capacitors in the analog circuit for minimum internal resistance for the best uncoloured sound. Featuring dual crystal oscillators dedicated to multiples of 44.1kHz and 48kHz respectively, the X3ii ensures lowest jitter and highest precision for playback of music at all sample rates and eliminating all conversion artifacts.

Formats Supported

Utilising JZ4760B+SA2000+CS4398, the X3ii features an all-new digital audio architecture, natively supporting DSD, decoding SACD ISOs directly, and also supporting lossless formats up to 192kHz/24bit. With up to 11 hours of continuous playtime and an external microSD card slot that supports up to 128GB of songs, the X3ii offers extended hours of endless music entertainment.

Other Functions

The X3ii has a standard 3.5mm headphone out and composite coaxial / line out port for connection to external amps/DACs. Also supporting CTIA standard inline remotes on earphones, the X3ii allows for inline control of play/pause, skipping tracks and volume control when connected.

DAC  CS4398
AMP LMH6643 
Memory  External: microSD card slot up to 128GB 
SNR ≥114dB (A-weighted)
Frequency Response           10Hz ~ 55kHz (-3dB)
Drive Ability 16 ~ 150 ohms
Gain 2.6dB (Gain = L)
8.6dB (Gain = H) 
Battery 2600mAh
Up to 11 hours playing MP3 44.1kHz/16bit 
Approx. 3 hours charging time
Supported Formats Lossless: DSD64 / DSD128 / APE (Fast, Normal, High) / FLAC / AIFF / WAV / WMA Lossless / Apple Lossless 
Lossy: MP3 / AAC / WMA / OGG 

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