Shanling UP4 Portable Headphone Amp

Note: If we're sold out of the Shanling UP4 in our main store, come see if we have it in stock in the Apos Members Aisle, where we're selling it at a special discounted price.

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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