Shanling EH90 R2R Balanced DAC Decoder Headphone Amplifier All-in-One Player
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The Shanling EH90 is a desktop DAC/headphone amplifier with an R2R architecture, boasting a powerful 5000mW output and a fully discrete component design, making it suitable for driving large headphones or connecting to active speakers.
1. Decoding Architecture: Utilizes the same "Kunlun" R2R module as the SCD3.3, employing a 24-bit discrete resistor array, achieving a signal-to-noise ratio of up to 120dB and distortion of only 0.003%.
2. Amplification Circuit: The amplification section is entirely built with independent components, and the output stage uses MOSFETs to avoid the tonal limitations imposed by integrated chips.
3. Output Power: Delivers 5000mW of power under a 32-ohm load, easily driving dynamic music or demanding flagship headphones.
4. Interface Functions: Supports multiple digital inputs including optical, coaxial, USB, AES, and IIS, and features preamp output functionality for connection to active speakers.
Specifications:
Dimensions (including base): 230 x 280 x 83.1 mm (D x W x H)
Weight: 3.7 kg
Screen: 4.8-inch color screen
Gain Compensation: High and low precision resistors
Decoding Chip: "Kunlun Pro" 24-bit fully discrete R2R module, 212 chips at 0.01% precision
Bluetooth Version: 5.4SBC/AAC
Bluetooth Receiver Support: LDAC/aptX-HD/aptX-Adaptive/aptXLOSSLESS
Interfaces:
[Digital Inputs] USB/Optical/Coaxial/IS/HDMIARC/AES/Bluetooth
[Headphone Output] 3.5mm/6.35mm single-ended + 4.4mm/XLR balanced
[Analog Output] XLR + RCA
Supported Specifications:
USB: PCM 768kHz/32bit DSD512IIS: PCM 768kHz/32bit, DSD512 Optical, Coaxial, AES, HDMIARC: PCM 192kHz/32bit
Technical Specifications
6.35mm Single-Ended Headphone Output
Output Power:
Low Gain: ≥295mW + 295mW (@32Ω, THD+N<1%) ≥30mW + 30mW (@300Ω, THD+N<1%)
High Gain: ≥1320mW + 1320mW (@32Ω, THD+N<1%) >140mW + 140mW (@300Ω, THD+N<1%) Frequency Response: 20Hz-20kHz (-0.4dB, NOS) 20Hz-45kHz (-0.2dB, 0S) THD+N: 0.003%@32Ω Channel Separation: 70dB Signal-to-Noise Ratio: 117dB Noise: 111dB (2.8uV) Output Impedance: 0.3Ω
4.4mm/XLR Balanced Headphone Output: Output Power: Low Gain: 1170mW + 1170mW (@32Ω, THD+N<1%) 125mW + 125mW (@300Ω, THD+N<1%) High Gain: 5200mW + 5200mW (@32Ω, THD+N<1%) 575mW + 575mW (@300Ω, THD+N < 1%
Frequency Response: 20Hz-20kHz (-0.4dB, NOS)
20Hz-45kHz (-0.2dB, 0S)
THD+N: 0.003% @ 32Ω
Channel Separation: 95dB
Signal-to-Noise Ratio: 120dB
Noise: 109dB (3.6uV)
Output Impedance: 0.6Ω
