Shanling

Shanling UP4 Portable Headphone Amp

$99

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The Shanling UP4 is a portable headphone amplifier that comes with a balanced output for better sound and more power. It comes with dual ES9218P D/A chips, CSR8675 chip, and Bluetooth 5.0. For outputs, it comes with a 2.5mm balanced out (low/high gain) and a 3.5mm single-ended out. Apos Audio found that the UP4 supports LDAC/HWA, LHDC/aptX, HD/aptX, L/aptX, and AAC/SBC, which also makes it Hi-Res audio certified. Finally, the UP4 offers high resolution, clear-powerful output with low impedance, and is very power efficient.

Specs:
  • Bluetooth Support: LDAC, HWA(LHDC), aptX HD, aptX Low Latency, aptX, AAC, SBC
  • Bluetooth Chip: Qualcomm CSR8675
  • D/A Chip: ESS Sabre ES9218 (x2)
  • Bluetooth Version: Bluetooth 5.0
  • Bluetooth Reach: 10 m
  • Microphone: Knowles SiSonic
  • Output Power:
    • 71 mW @ 32 Q (single ended, high gain)
    • 91 mW @ 32 O (single ended, Dual DAC mode)
    • 160 mW @ 32 Q (blanced output)
  • SNR:
    • 120 dB (single ended)
    • 120 dB (balanced)
  • Channel Separating Degree:
    • 73 dB @ 32 A (single ended)
    • 96 dB @ 32 Q (balanced)
  • THD + N:
    • 0.003% (LDAC/A - W/0.5V/32 Q)
    • 0.03% (0.5 V/others/A-W/ 32 O)
  • Battery Life: 15 hours (single ended), 10 hours (balanced)
  • Charge Time: 2 hours
  • Battery: 550 mAh
  • Power Adapter: DC 5V / 500mA
  • USB: Type-C Interface, Support Driver Free USB DAC
  • Volume Control: Independent from smartphone volume setting and controlled by volume wheel
  • Audio Output: 3.5 mm Single Ended Jack, 2.5 mm Balanced Jack
  • Size: 60 x 36 x 13.5 mm
  • Weight: 37 g
  • Accessories: Clip Case, USB-C Cable, User Guide


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