Shanling EH90 R2R Dac Headphone Amplifier

The new Shanling EH90 R2R is a desktop DAC and 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.

Features:

- R2R Pro DAC (Based on SCD3.3)

- Balanced Discrete Headphone Amplifier

- Amplifier design with JFE2140, IRF530N and IRF8530N

- Up to 5.2W @ 32 Ohm output power

- Dual Power supply, 35W Transformer, 10W Switching power supply for system part

- USB, Coaxial, Optical, AES inputs

- I2S & HDMI Arc inputs

- QCC3095 Bluetooth 5.4 Receiver mode with LDAC and aptX Lossless

- External Clock Input

- XLR / 4.4mm / 6.35mm Headphone outputs

- RCA / XLR Pre-amp & Line-Out

- Aluminium construction, matching rest of the 90s line

• 4.8 Inch Screen, for accessing on device settings

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