SHANLING EH2 DAC Amplificateur Casque Noir

Avec le EH2, Shanling présente un DAC et amplificateur casque de bureau se voulant être le successeur du Shanling HE1. Cette évolution intègre une conversion numérique / analogique par un réseau de résistance en échelle R2R développé directement en interne par la marque afin de s’approcher du rendu sonore de la puce PCM1704. Ainsi, ce DAC peut traiter un signal allant jusqu’aux PCM 32bit 768kHz et DSD512. L’étage d’amplification quant à lui est confié à des transistors et propose une puissance de sortie de 4.32W sous 32Ω.

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Shanling EH2 DAC R2R Amplificateur Casque Transistors Bluetooth 5.2 32bit 768kHz DSD512 Noir

Shanling EH2 : Vue de 3/4


Avec le EH2, Shanling présente un DAC et amplificateur casque de bureau succédant au très apprécié Shanling HE1. Cette évolution intègre une conversion numérique / analogique par réseau de résistances en échelle R2R, développée directement en interne par la marque afin de s’approcher du rendu sonore de la puce PCM1704. Ainsi, ce DAC peut traiter un signal allant jusqu’au PCM 32bit 768kHz et DSD512. L’étage d’amplification quant à lui est confié à des transistors et propose une puissance de sortie de 4.32W sous 32Ω.

Shanling EH2 : DAC R2R

Pour son EH2, Shanling a décidé de développer son propre DAC sur mesure. Ainsi, cet appareil embarque un DAC R2R 24bit prenant comme inspiration la légendaire puce DAC PCM1704, permettant une conversion numérique / analogique d’un signal allant jusqu’au PCM 32bit 768kHz et DSD512, tout en offrant une restitution sonore à la teinte analogique caractéristique. De plus, un mode NOS est également disponible, vous permettant d’apprécier vos morceaux au plus proche du signal d'origine.

Shanling EH2 : DAC R2R

Shanling EH2 : Amplification par transistors

L’étage d’amplification du HE02 se repose sur des transistors BD139 et BD140 pour une puissance de sortie de 4.32W sous 32Ω pour la sortie casque symétrique et 1.28W sous 32Ω pour la sortie casque asymétrique. De plus, la sortie ligne est également équipée d’un AOP OPA1612 afin de proposer un niveau de sortie de 4.5V en symétrique et 2.2V en asymétrique.

Shanling EH2 : Vue des connectiques

Shanling EH2 : Connectivité étendue

Le EH2 propose également une connectivité plus large que son prédécesseur. Ainsi, il met à disposition une entrée optique Toslink, une entrée coaxiale et une entrée USB-C. À noter que cette dernière entrée est doté d’une interface XMOS XU316 permettant de supporter un signal allant jusqu’au PCM 32bit 768kHz et DSD512. De plus, le EH2 est doté d’une connectivité Bluetooth 5.2 grâce à la puce QCC5125 de Qualcomm, vous permettant de vous y connecter en sans fil tout en conservant une excellente qualité grâce la prise en charge des codecs haute définition LDAC, aptX, aptX HD et aptX Adaptive.

Caractéristiques techniques

Spécifications
Type de produitDAC
Amplificateur casque
DACR2R 24bit
Taux d'échantillonnage supportésPCM jusqu’à 32bit 768kHz
DSD jusqu’au DSD512
AmplificationBD139
BD140
AOP 1612
Entrées1x USB-C
1x Optique Toslink
1x Coaxial
Bluetooth 5.2
Sorties1x Sortie casque Jack 4.4mm symétrique
1x Sortie casque Jack 6.35mm asymétrique
1x Sortie ligne Jack 4.4mm symétrique
1x Sortie ligne RCA asymétrique
Interface USBXMOS XU316
Puce BluetoothQualcomm QCC5125
Codecs Bluetooth supportésSBC
AAC
aptX
aptX Low Latency
aptX HD
aptX Adaptive
LDAC
Sorties casque
Puissance de sortie jack 4.4mmGain faible : 2365mW @ 32Ω
Gain élevé : 4351mW @ 32Ω
Puissance de sortie jack 6.35mmGain faible : 632mW @ 32Ω
Gain élevé : 1280mW @ 32Ω
Réponse en fréquence20Hz-40kHz (-0.5dB)
Taux de distorsion harmonique plus bruit (THD+N)0.02%
Séparation des canaux111dB @ 32Ω
Plage dynamique118dB @ 32Ω
Rapport signal sur bruit (SNR)118dB @ 32Ω
Impédance de sortie<2Ω
Sorties ligne
Niveau de sortieRCA : 2.2V
Jack 4.4mm : 4.5V
Réponse en fréquence20Hz-40kHz (-0.5dB)
Taux de distorsion harmonique plus bruit (THD+N)0.02%
Rapport signal sur bruit (SNR)119dB
Général
Tension d'alimentation12V
CouleurNoir
Dimensions156 x 150 x 36.5mm
Poids715g
Conditionnement1x Shanling EH2
1x Adaptateur secteur
1x Câble USB-A vers USB-C
1x Antenne Bluetooth
1x Adaptateur Jack 3.5mm vers Jack 6.35mm
 
Caractéristiques
EntréesUSB
EntréesOptique Toslink
EntréesCoaxial SPDIF
EntréesBluetooth
SortiesRCA
SortiesJack 4.4mm
Puce DAC / ADCR2R LADDER DAC
Taux d'échantillonnage maxDSD512
Taux d'échantillonnage max768kHz
CouleurNoir
ClassNC
Fonction réseauNon
TélécommandeNon
 
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Note moyenne
5.0 / 5
2 avis
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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)
Cet avis a été posté pour SHANLING EH2 DAC R2R Amplificateur Casque Transistors Bluetooth 5.2 32bit 768kHz DSD512 Noir
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)
Cet avis a été posté pour SHANLING EH2 DAC R2R Amplificateur Casque Transistors Bluetooth 5.2 32bit 768kHz DSD512 Noir
 
SHANLING EH2 DAC R2R Amplificateur Casque Transistors Bluetooth 5.2 32bit 768kHz DSD512 Noir
Avec le EH2, Shanling présente un DAC et amplificateur casque de bureau se voulant être le successeur du Shanling HE1. Cette...

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