SHANLING EH2 DAC Headphone Amplifier Black

With the EH2, Shanling presents a desktop DAC and headphone amplifier that's intended to be the successor to the Shanling HE1. This evolution incorporates digital/analog conversion via an R2R ladder resistor network developed directly in-house by the brand, in order to approach the sound rendering of the PCM1704 chip. As a result, this DAC can process signals up to PCM 32bit 768kHz and DSD512. The amplification stage is based on transistors and offers an output power of 4.32W at 32Ω.

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Shanling EH2 DAC R2R Headphone Amplifier Transistors Bluetooth 5.2 32bit 768kHz DSD512 Black

Shanling EH2 : 3/4 view


With the EH2, Shanling presents a desktop DAC and headphone amplifier that's intended to be the successor to the Shanling HE1. This evolution incorporates digital/analog conversion via an R2R ladder resistor network developed directly in-house by the brand, in order to approach the sound rendering of the PCM1704 chip. As a result, this DAC can process signals up to PCM 32bit 768kHz and DSD512. The amplification stage is based on transistors and offers an output power of 4.32W at 32Ω.

Shanling EH2: R2R DAC

For its EH2, Shanling decided to develop its own custom DAC. The R2R 24bit DAC takes its inspiration from the legendary PCM1704 DAC chip, enabling digital-to-analog conversion of signals up to PCM 32bit 768kHz and DSD512, while offering sound reproduction with a characteristic analog tone. Furthermore, a NOS mode is also available, allowing you to enjoy your tracks as close to the original as possible.

Shanling EH2 : R2R DAC

Shanling EH2: Transistor amplification

The HE02's amplifier stage relies on BD139 and BD140 transistors for an output power of 4.32W into 32Ω for the balanced headphone output and 1.28W into 32Ω for the Single-ended headphone output. Furthermore, the line output is also equipped with an OPA 1612 to provide an output level of 4.5V balanced and 2.2V single-ended.

Shanling EH2 : Connectors view

Shanling EH2: Extended connectivity

The EH2 also offers more extensive connectivity than its predecessor. It features a Toslink optical input, a coaxial input and a USB-C input. The latter is equipped with an XMOS XU316 interface that supports signals up to PCM 32bit 768kHz and DSD512. Furthermore, the EH2 features Bluetooth 5.2 connectivity thanks to Qualcomm's QCC5125 chip, allowing you to connect wirelessly while maintaining excellent quality thanks to support for LDAC, aptX, aptX HD and aptX Adaptive high-definition codecs.

Technical characteristics

Specifications
Product typeDAC
Headphone amplifier
DACR2R 24bit
Supported sampling ratesPCM up to 32bit 768kHz
DSD up to DSD512
AmplificationBD139
BD140
AOP 1612
Inputs1x USB-C
1x Optical Toslink
1x Coaxial
Bluetooth 5.2
Outputs1x Balanced headphone output 4.4mm jack
1x Single-ended headphone output 6.35mm jack
1x Balanced line output 4.4mm jack
1x Single-ended line output RCA
USB interfaceXMOS XU316
Bluetooth chipQualcomm QCC5125
Supported Bluetooth codecsSBC
AAC
aptX
aptX Low Latency
aptX HD
aptX Adaptive
LDAC
Headphone outputs
Output power 4.4mm JackLow gain: 2365mW @ 32Ω
High gain: 4351mW @ 32Ω
Output power 6.35mm JackLow gain: 632mW @ 32Ω
Hight gain: 1280mW @ 32Ω
Frequency response20Hz-40kHz (-0.5dB)
Total harmonic distotion more noise (THD+N)0.02%
Channel separation111dB @ 32Ω
Dynamic range118dB @ 32Ω
Signal-to-noise ratio (SNR)118dB @ 32Ω
Output impedance< 2Ω
Line outputs
Output levelRCA: 2.2V
Jack 4.4mm: 4.5V
Frequency response20Hz-40kHz (-0.5dB)
Total harmonic distotion more noise (THD+N)0.02%
Signal-to-noise ratio (SNR)119dB
General
Supply voltage12V
ColorBlack
Dimensions156 x 150 x 36.5mm
Weight715g
Package1x Shanling EH2
1x Power adapter
1x USB-A to USB-C cable
1x Bluetooth antenna
1x Jack 3.5mm to Jack 6.35mm adapter
 
Data sheet
InputSPDIF
InputBluetooth
InputUSB
InputOptical
OutputRCA
OutputJack 4.4mm
DAC / ADC ChipR2R LADDER DAC
Max sampling rate768kHz
Max sampling rateDSD512
ColorBlack
ClassN/A
NetworkingNo
Remote ControlNo
 
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Average votes
5.0 / 5
2 reviews
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Note :
 5/5
Date :
Excellent (with one easily fixable caveat)
I am impressed with the EH2. I wanted a small, flexible all in one device for headphone listening on my desk. So that I do not have to fire up my more powerful class A dacs and amps for a spontaneous ad hoc listening session. I got exactly that and more.

Driving power
With sensitive iems it has no audible background noise.
I like to hear my music loud and this little dac-amp delivers. Full sized headphones are driven very well – both high impedance dynamic and low sensitivity planars. It can get my Verite Closed and my Arya Organic to very loud levels where I can feel the physical rumble on my ears without any distortion (knob range between 12 and 3 o clock). In comparison my FiiO K7BT can drive the Arya Organic, but if I push the volume any louder it’s protection circuit kicks in and shuts the device off (with red error LEDs). This did not happen with the EH2 (as to be expected: the EH2 has ~4000mW, double the value of the K7 with ~2000mW).

Tone controls
The tone controls are a nice addition. Fine adjustments in bass and treble are immediately noticeable. Turning the bass to the max would satisfy bass heads. The tone control knobs have a notch in the center that you can feel. In this position the tone alterations are completely off. It’s there if you need it, but you don’t have to use it.

How does it sound?
Nowadays the quality of dacs, even in the lower price segments, has vastly increased to the point that it is difficult to notice differences between dacs. Headphones are the most important factor in the chain. With that aside, yes the R2R dac of the EH2 sounds excellent. It is very clear, detailed, smooth and at the same time full sounding with a nice note weight. No harshness, noise or distortion whatsoever.

Notes
- It produces no pop noise when turning on or shutting off like some other amps.
- Even after many hours listening it does not get very hot, only hand warm.
- Plugging a headphone cable in the front shuts off the line/pre-outs in the back. So if you want to use it purely as a dac to other amps you have to detach any headphone cable in the front.
- The tone controls (bass, treble) also affect the pre-out in the back, but doesn’t alter the line-out (when the switch is set to line-out).
- The small blue LED above the power button is always on, even in standby mode.
- It is very small, about the size of an adult human hand.

Caveat: standby mode is useless
When the EH2 is turned on and not playing music (idle) it consumes about 5 Watt.
In standby mode it still consumes about 4 Watt doing nothing! This mode might as well not exist.
The FiiO K7BT consumes 0 Watt when turned off.
My solution:
As a workaround I plugged a simple power switch between the power supply and the EH2 power socket.
Now I do not use the standby button at all. I turn the EH2 on and off only with the power switch. When it receives power it automatically turns on, no need to additionally press the power/standby button again.
This is working great.

EH1 vs EH2
If you are on the fence about choosing the smaller EH1 or the EH2. Get the EH2. For the extra money you get a lot more: headphone driving power, a real R2R dac instead of delta sigma, more inputs (coax, opt, Bluetooth) and a balanced output. It can drive anything from iems to full sized headphones with no issue. Even if you plan to only listen to easy to drive iems, the EH2 is more future proof with its plus in power and flexibility.

This is a fantastic little powerhouse all in one. It fits many use cases. Headphone all in one, pure R2R dac, tone adjustments, BT receiver, TV Audio via optical input. Small enough for any desk space. Even if one owns bigger “normal size” dac and amp stacks this is still worth getting as a flexible desk device for the office or another room.
Price to performance is very high. I think Shanling priced this aggressively low, to get new customers to know the brand.
I’m glad that it exists. Highly recommended!
 (0)
 (0)
This review has been posted for SHANLING EH2 DAC R2R Headphone Amplifier Transistors Bluetooth 5.2 32bit 768kHz DSD512 Black
Note :
 5/5
Date :
Excellent (with one easily fixable caveat)
I am impressed with the EH2. I wanted a small, flexible all in one device for headphone listening on my desk. So that I do not have to fire up my more powerful class A dacs and amps for a spontaneous ad hoc listening session.

Driving power
With sensitive iems it has no audible background noise.
I like to hear my music loud and this little dac-amp delivers. Full sized headphones are driven very well – both high impedance dynamic and low sensitivity planars. It can get my Verite Closed and my Arya Organic to very loud levels where I can feel the physical rumble on my ears without any distortion (knob range between 12 and 3 o clock). In comparison my FiiO K7BT can drive the Arya Organic, but if I push the volume any louder it’s protection circuit kicks in and shuts the device off (with red error LEDs). This did not happen with the EH2 (as to be expected: the EH2 has ~4000mW, double the value of the K7 with ~2000mW).

Tone controls
The tone controls are a nice addition. Fine adjustments in bass and treble are immediately noticeable. Turning the bass to the max would satisfy bass heads. The tone control knobs have a notch in the center that you can feel. In this position the tone alterations are completely off. It’s there if you need it, but you don’t have to use it.

How does it sound?
Nowadays the quality of dacs, even in the lower price segments, has vastly increased to the point that it is difficult to notice differences between dacs. Headphones are the most important factor in the chain. With that aside, yes the R2R dac of the EH2 sounds excellent. It is very clear, detailed, smooth and at the same time full sounding with a nice note weight. No harshness, noise or distortion whatsoever.

Notes
- It produces no pop noise when turning on or shutting off like some other amps.
- Even after many hours listening it does not get very hot, only hand warm.
- Plugging a headphone cable in the front shuts off the line/pre-outs in the back. So if you want to use it purely as a dac to other amps you have to detach any headphone cable in the front.
- The tone controls (bass, treble) also affect the pre-out in the back, but doesn’t alter the line-out (when the switch is set to line-out).
- The small blue LED above the power button is always on, even in standby mode.
- It is very small, about the size of an adult human hand.

Caveat: standby mode is useless
When the EH2 is turned on and not playing music (idle) it consumes about 5 Watt.
In standby mode it still consumes about 4 Watt doing nothing! This mode might as well not exist.
The FiiO K7BT consumes 0 Watt when turned off.
My solution:
As a workaround I plugged a simple power switch between the power supply and the EH2 power socket.
Now I do not use the standby button at all. I turn the EH2 on and off only with the power switch. When it receives power it automatically turns on, no need to additionally press the power/standby button again.
This is working great.

EH1 vs EH2
If you are on the fence about choosing the smaller EH1 or the EH2. Get the EH2. For the extra money you get a lot more: headphone driving power, a real R2R dac instead of delta sigma, more inputs (coax, opt, Bluetooth) and a balanced output. It can drive anything from iems to full sized headphones with no issue. Even if you plan to only listen to easy to drive iems, the EH2 is more future proof with its plus in power and flexibility.

This is a fantastic little powerhouse all in one. It fits many use cases. Headphone all in one, pure R2R dac, tone adjustments, BT receiver, TV Audio via optical input. Small enough for any desk space. Even if one owns bigger “normal size” dac and amp stacks this is still worth getting as a flexible desk device for the office or another room.
Price to performance is very high. I think Shanling priced this aggressively low, to get new customers to know the brand.
I’m glad that it exists. Highly recommended!
 (0)
 (0)
This review has been posted for SHANLING EH2 DAC R2R Headphone Amplifier Transistors Bluetooth 5.2 32bit 768kHz DSD512 Black
 
SHANLING EH2 DAC R2R Headphone Amplifier Transistors Bluetooth 5.2 32bit 768kHz DSD512 Black
With the EH2, Shanling presents a desktop DAC and headphone amplifier that's intended to be the successor to the Shanling HE1. This evolution...

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