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Rectangular zinc-alloy music player with 3.5 inch touchscreen and side volume knob

BFKK

BFKK F28 128GB HiFi MP4 Player Dual ESS9018 DAC 3.5" Touchscreen

SKU CH-P738-V2WX2

Hi-res portable player with dual ESS9018 DACs, 128 GB storage expandable to 512 GB, balanced 450 mW output, and bidirectional LDAC Bluetooth

  • Dual ESS9018 DAC decodes native DSD256 at 11.2MHz and 384kHz/32-bit PCM
  • Balanced 2.5mm output delivers up to 450mW for demanding headphones
  • Bidirectional Bluetooth with LDAC and aptX HD works as transmitter or receiver
  • 128GB built-in storage expands to 512GB via microSD for large libraries
  • ALPS analog knob on zinc alloy body gives precise tactile volume control

Audiophile Portable Player

The BFKK F28 is a dedicated high-resolution music player built around dual ESS9018 DAC chips and an X1000E processor. It targets listeners who want lossless playback quality in a pocket-sized device with physical volume control. The 3.5-inch IPS touchscreen and zinc alloy chassis provide a premium tactile interface for navigating local libraries. It suits users who prioritise wired headphone performance over streaming apps.

Sustained Playback Behaviour

During extended listening sessions the player delivers up to 450mW through its 2.5mm balanced output, driving demanding headphones without the voltage sag common in phone dongles. The 128GB internal storage holds large DSD256 and 384kHz/32-bit PCM libraries, while the rated 12-hour battery life supports full workday use. Bidirectional Bluetooth LDAC and aptX HD maintain stable wireless links for gym or travel scenarios without frequent re-pairing.

Deciding Specification

The dual ESS9018 DAC architecture with native DSD256 and 384kHz/32-bit PCM decoding is the single specification that determines whether this player matches your source files. If your collection uses these highest-resolution formats, the hardware decodes them natively; if you only stream compressed audio, the capability remains unused. Expandable storage up to 512GB via microSD allows the library to grow without replacing the device.

Highlights

  • Dual ESS9018 DAC decodes native DSD256 at 11.2MHz and 384kHz/32-bit PCM
  • Balanced 2.5mm output delivers up to 450mW for demanding headphones
  • Bidirectional Bluetooth with LDAC and aptX HD works as transmitter or receiver
  • 128GB built-in storage expands to 512GB via microSD for large libraries
  • ALPS analog knob on zinc alloy body gives precise tactile volume control

Specifications

No published specifications for this item yet.

Questions about this item

How much heat or battery drain does the dual ESS9018 DAC create during all-day playback?

The 450mW balanced output and X1000E processor draw enough power for roughly 12 hours of continuous use, so plan charging around that cycle.

What headphones or cables must I already own to use the 2.5mm balanced output?

You need headphones or an adapter with a 2.5mm TRRS plug to connect to the balanced jack; a standard 3.5mm cable works on the single-ended port.

Will the Bluetooth LDAC transmitter work with the aptX HD headphones I already use?

Yes, the bidirectional radio supports both LDAC and aptX HD, so existing aptX HD headphones will connect as a transmitter target.

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