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Apos TOPPING 50s Ensemble
Note: Looking to pair a set of headphones, IEMs, or another piece of gear? Click the “Request a Headphone Pairing” button to chat with our Support Team, get suggestions, and save even more.
Apos Ensembles are equipment bundles that have been specially curated by our team of audio professionals. Just as an ensemble refers to a group of musicians playing together, each of our ensembles is a coordinated group of equipment that we’ve brought together to form a superior listening experience.
Meet the TOPPING-50s Series Ensemble
The TOPPING-50s Series Ensemble is a supergroup of performers. The Topping D50s DAC and the Topping A50s amp work in perfect harmony, decoding and driving music above a dizzyingly low noise floor. A TOPPING P50 power supply supplies ultra-quiet energy in a stackable aluminum chassis, while a Fanmusic C003 connects the DAC and Amp.
Accompanying them is one of seven pairs of headphones. Although any of these headphones will prove an excellent complement to the ensemble, they represent different price points and sound signatures, so we invite you to explore their product pages for more information.
The TOPPING-50s Series Ensemble Includes
DAC: Topping D50s DAC
Power Supply: TOPPING P50 Linear Power Supply
Interconnection: Fanmusic C003 RCA cable to connect the DAC and Amp
Pair a Headphone For More Savings
Below, you’ll find a list of headphones we recommend for the SMSL SU-9 Ensemble. Although any of these headphones will prove an excellent complement to the ensemble, they represent different price points and sound signatures, so we invite you to explore their product pages for more information.
We will of course pair any headphone, IEM, or piece of equipment in our store with the Ensemble. All you have to do is click the “Request a Headphone Pairing” button above to speak to our Support Team and see how much you’ll save.
Our headphone recommendations
Spec Summary
Note: For full specs, please visit the individual product pages.
Topping D50s DAC
Input: USB/OPT/COAX/BT
Line Out: RCA
USB In:
44.1kHz-768kHz/16bit-32bit
DSD64-DSD512(Native)
DSD64-DSD256(Dop)
OPT/ COAX In: 44.1kHz-192kHz/16bit-24bit, DSD64(Dop)
Bluetooth In: AAC/SBC/APTX/APTX LL/APTX HD/LDAC
Topping A50s Headphone Amp
THD+N @1 kHz A-wt: <0.00007%
SNR @MAX OUT 1 kHz A-wt: 144dB
Frequency Response: 20Hz-200kHz(±0.05dB)
Output Level: 42Vpp
Channel Crosstalk @ 1kHz: -128dB
Output Impedance: <0.1Ω
Output Power THD+N<1%: 3.5Wx2@32Ω
Topping P50 Linear Power Supply
Power Input: AC110V/AC220V 50Hz/60Hz
Power Output: USB-A*2,DC(5.5/2.1)*1
Power Supply Noise：<1mVrms
Output Power:
DC5V 1A*2
DC15V 1A
DC5V 1A*1+DC15V 0.9A
DC5V 0.8A*2+DC15V 0.8A
Fanmusic C003 Cable
Material: Black gold-plated ROTONE RF2C-BG male plug, two-core braided audio cable L-2E5AT of CANARE
Core DC resistance: 6.2Ω/100m
Insulation voltage: 500V AC * 1 minute
Conductor insulation layer: XLPE polyethylene
Shielding: Tinned copper twisted and high-density aluminum foil
Shell material: Soft PVC/Neoprene composite
Wire length: 25cm (excluding plug)
Contact: Brass
Contact plating: Gold
Dan Clark Audio Æon 2
Efficiency: 92dB
Impedance: 13ohms
Cable: Detachable 2m premium dual-entry cable with 1/4" termination
Weight: 340g
QUAD ERA-1 Planar Magnetic Headphone
Impedance: 20 ohms
Sensitivity: 94db/mW
Frequency Response Range: 10 Hz - 40 kHz
Total Harmonic Distortion: ≤0.2% (1kHz,100dB)
Related Input Power: 100mW
Weight: 420g (without cable)
HIFIMAN Sundara
Frequency Response: 6Hz - 75kHz
Impedance: 37 ohms
Sensitivity: 94db
Weight: 13.1oz (372g)
Cable Length: 1.5m
Headphone Connectors: 3.5mm
Audeze LCD-2 Open Back
Type: Over-ear, open-back
Driver: Planar Magnetic
Frequency response: 10 - 50,000Hz
Impedance: 70Ω
Sensitivity: 101 dB/1mW (at Drum Reference Point)
Weight: 1.31lbs (595g) (Rosewood), 1.27lbs (580g) (Shedua/Bamboo)
Audeze LCD-X
Type: Over-ear, open-back
Driver: Planar Magnetic
Frequency response: 10 - 50,000Hz
Impedance: 20Ω
Sensitivity: 103 dB/1mW (at Drum Reference Point)
Weight: 1.39lbs (635g)