Khadas Tea Pro

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Chipset Bluetooth: Qualcomm QCC5181 USB: XMOS XU316-1024 DAC: ESS ES9039Q2M Operational Amplifier  I/V Conversion: TI OPA1612 × 2  Low-Pass Filter (LPF): TI OPA1612 × 2  Buffer: Ricore RT6863 × 2 Volume Control: NJU72315 × 2 Ultra-low noise LDO: ESS ES9311Q (1.3 μVrms) Apple MFi: Apple Authentication 3.0 Coprocessor Audio Performance Sampling Rate 4.4 mm Headphone Jack THD+N (1 kHz, No load): 0.000126% (-118dB) Max Noise: < 3.5 μVrms SNR (1 kHz, No load): 122 dB DNR (1 kHz, No load): 121 dB Max Output @600 Ω: 41.67 mW (5.0Vrms), THD+N < -90dB Max Output @150 Ω: 167 mW (5.0Vrms), THD+N < -90dB Max Output @33 Ω: 165 mW (2.33Vrms), THD+N < -90dB Max Output @16.5 Ω: 180 mW (1.72Vrms), THD+N < -90dB 3.5 mm Headphone Jack THD+N (1 kHz, No load): 0.000158% (-116dB) Max Noise: < 2.5 μVrms SNR (1 kHz, No load): 120 dB DN (1 kHz, No load): 119 dB Max Output @300 Ω: 20.8 mW (2.5Vrms), THD+N < -90dB Max Output @150 Ω: 42 mW (2.5Vrms), THD+N < -90dB Max Output @33 Ω: 120 mW (2.0Vrms), THD+N < -90dB Max Output @16.5 Ω: 100 mW (1.28Vrms), THD+N < -90dB UAC1.0: Up to PCM 96 kHz/24 bit (DSD not supported, incompatible with iPhone) UAC2.0: Up to PCM 768 kHz/32 bit, DSD512 (Native) Bluetooth: Up to PCM 96 kHz/24 bit (DSD not supported) Audio Formats Supports SBC / AAC / aptX / aptX Adaptive / aptX HD / LDAC Gain Levels High Gain  4.4 mm (at 0dB): 5.0 Vrms  3.5 mm (at 0dB): 2.5 Vrms Low Gain  4.4 mm (at 0dB): 2.5 Vrms  3.5 mm (at 0dB): 1.25 VrmsEQ Mode 7 Presets: Default / Classical / Jazz / Rock / Pop / Bass / Blues Custom EQ: 10-band equalizer, adjustable gain from -12dB to +12dB OS Compatibility iOS / iPadOS: Natively supported (MFi certified) Android: Plug and play macOS: Natively supported Windows 7 / 8 / 10 / 11: Requires Khadas USB ASIO driver Linux: Compatible with systems running UAC2.0-compliant kernels Screen 0.95” Color AMOLED 120 × 240 RGB Buttons Power × 1, Menu × 1, Volume Up (+) × 1, Volume Down (–) × 1 Ports 3.5 mm Headphone Jack × 1 4.4 mm Headphone Jack × 1 USB-C × 1 (Audio input + Charging） Microphone Analog Microphone × 1, SNR ≈ 59 dBA Khadas Audio App Supports gain adjustment, EQ tuning, filter selection, language switching, firmware updates, and more. Body Materials CNC-machined aluminum chassis, Corning® Gorilla® Glass 3, Premium wear-resistant leather back panel Power & Battery Capacity: 2100 mAh Battery Life:  ≥ 11 hours (Bluetooth AAC)  ≥ 8 hours (USB-C, 44.1 kHz) Size & Weight 102.7 × 64.0 × 7.85 mm (excluding button height) Show more