The Best Desktop Dac Topping Mx3

1.PC’s power amp&headphone amp
MX3’s built-in DAC is much better than PC’s built-in sound card.So we suggest you to connect your PC’S coaxial/optical/USB to MX3’s input,then connect MX3 to your speaker and headphone.You can also connect a active subwoofer to MX3.

2.Bluetooth power amp+headphone amp
You can close to the MX3’s NFC label to fast connect MX3’s Bluetooth input and enjoy Bluetooth music by speaker or headphone.If your phone or tablet does not has NFC,you can search Bluetooth to connect.Close to the NFC label again to disconnect Bluetooth.

3.Bluetooth receiver
MX3 could serve as a Bluetooth receiver.Close to the MX3’s NFC label to fast connect MX3’s Bluetooth input and enjoy Bluetooth music.If your phone or tablet dones not has NFC,you can search Bluetooth to connect.Close to the NFC label again to disconnect Bluetooth.You can connect output signal from headphone out.

4.Amplifier for disc player&digital player
You can connect the cozxial/optical output of your disc player/digital player to MX3.Then you can enjoy music without buting a DAC.

5.DAC+Pre-amplifier
If you want to use other amplifier,MX3 COULD SERVE AS dac+Pre-amplifier.Connect input signal to BT/USB/Optical/Coaxial/AUX,then connect output signal from headphone output.

6.Simple Pre-amplifier
If your system already has amplifier and DAC,MX3 could serve as a simple pre-amplifier.

Specification
Dimensions:18.5cm*12.2cm*3.8cm
New weight:475g
Color:black,silver
Power input:DC24V/3.75A
Signal input:BT/USB/OPT/COAX/AUX
Headphone output:1*3.5mm
Speaker output:Banana jack,BLT output
Subwoofer output:RCA*1
Bluetooth:≤10cm
Display screen:Orange LED

Package
MX3*1
Power adapter*1
Power cord*1
USB cable*1
Remote control*1
Antenna*1
NFC label*1
User’s manual*1
Warranty card*1

Parameter:
Analog input: 2 * RCA (L + R)
Amplifier output: banana socket, BTL output
Recommended impedance load range: 4-8Ω
Maximum output power: 80W * 2 (4Ω); 70W * 2 (8Ω)
Typical Distortion (@ 1kHz): 0.04%
Frequency response: 20Hz-20KHz
Input sensitivity: 0.6Vrms (4Ω); 0.9Vrms (8Ω)
Noise (A weight): <>
Gain: 29.3dB
Signal to noise ratio: 89dB (4Ω); 91dB (8Ω)

packing list:
PA3 * 1
Power adapter * 1
Power cord * 1
User manual * 1
Warranty Card * 1

AD 18 is a small full digital class d bluetooth amplifier built-in headphone amplifier supports subwoofer output.Connect it to your computer and use it to drive your headphones with an amplifier or to power your passive speakers(4ohm speaker produces 80Wx2 output power).Sophisticated matting aluminum housing reduces interference. Patented SDB sound and +-8 level treble and bass adjustment. Independent headphone amplifier design and advanced DSP technology makes the unit more desirable. Amplifier Chip: Using TAS5508C for digital signal DSP processing and Pre-Amp.TAS5342A for digital signal rear-AMP. It will be through LC filter and then send to amplifier output jack. Digital Receiving Chip:CS8422.It receive optical and coaxial signal and all signal transfer. USB chip:TAS1020B. Supports stereo sound 24bit/96kHz.For much better sound, we use SDPI output instead of internal DAC output design. Strong anti-interference ability and More High-Fidelity. HP Amplifier Chip:MAX97220A. Dual-OP amplifier:NE5532 with High efficiency low noise. Analog/Digital converter IC :CS5341,Accurate to 24 bit 48kHz.Convert AUX signal to digital signal. Then digital signal processing by CS8422 Specification Type: Full digital decoding amplifier Input port: USB/AUX/3.5mm Coaxial and Optical 1/Bluetooth/Optical 2 Output Port: Amplifier output port/3.5mm Headphone port/Subwoofer Voltage: 24V Output power:80W x 2 SNR(Signal to Noise): 90dB THD+N: 0.04% Power consumption: 50W Standby power:0.8w EQ adjustment: 7 Headphone output(32ohm): 53mW@THD=0.04% USB sampling rate: 24bit 96kHz Optical sampling rate:44.1kHz-192kHz Coaxial sampling rate:44.1kHz-192kHz Treble adjustment range: ±8db,Bass adjustment range:±8db Net Weight: 572g Gross Weight:1585g Machine Size: 172*51*85mm

AD 18 is a multi-functional digital power amplifier with headphone amplifier. Up to six kinds of input including USB, coaxial, analog, Bluetooth and two optical jacks(round and square). Customized BT4. 2 Bluetooth module, device easily connect with Bluetooth by NFC. Using TAS5508C+TAS5342A from TI. Headphone amplifier adopts independent IC. Using advanced DSP technology, with 1. 44-inch color screen and remote control. Built-in SDB sound patented belongs to S. M. S. L. Amplifier Chip: Using TAS5508C for digital signal DSP processing and Pre-Amp. TAS5342A for digital signal rear-AMP. It will be through LC filter and then send to amplifier output jack. Digital Receiving Chip: CS8422. It receive optical and coaxial signal and all signal transfer. USB chip: VT1620A. Support stereo sound 16bit/24bit and sampling rate up to 192kHz. For much better sound, we use SDPI output instead of internal DAC output design. Strong anti-interference ability and More High-Fidelity. HP Amplifier Chip: MAX97220A. Dual-OP amplifier: NE5532 with High efficiency low noise. Analog/Digital convertor IC: CS5341, Accurate to 24 bit 48kHz. Convert AUX signal to digital signal. Then digital signal processing by CS8422 Specification Input port: 3. 5mm, USB/Coaxial/Bluetooth/Optical x 2 Output Port: Amplifier output port/Headphone Port Voltage: 24V Output power: 80W x 2 SNR(Signal to Noise): 90dB THD+N: 0. 04% Headphone output(32ohm): 53mW@THD=0. 04% USB sampling rate: 16bit: 44. 1kHz-192kHz 24bit: 44. 1kHz-96kHz Output consumption: 50W EQ adjustment: 7 Treble adjustment range: 8db Bass adjustment range: 8db Net Weight: 572g Whole Weight: 1485g Machine Size: 172*51*85mm Package Size: 275*231*74mm Package included: 1*AD18 1*Micro USB cable 1*Remote control 1*Antenna 1*Power supply

parameters:
output:DAC(@USB 96K Input)
THD+N@A-weighting:
<>
<>
SNR@A-weighting:120dB@1kHz
Frequency Response:20Hz-20kHz(±0.35dB)
output level:2Vrms@0dBFS
NOISE：<>
channel crosstalk:-135dB@1kHz
chennel balance:<>
output impedance:100Ω
output headphone(@USB 96K input)
THD+N@A-weighting:
<0.001%@1khz output="">
<0.002%@20-20khz output="">
<0.0006%@1khz output="">
<0.0006%@20-20khz output="">
SNR@A-weighting:>120dB@1kHz
Frequency Response:20Hz-20kHz(±0.2dB)
output level:
5.8Vpp@G=0dB
17.3Vpp@G=9dB
NOISE:
<>
<>
channel crosstalk:-70dB@1kHz
chennel balance:0.5dB
output impedance:<>
output power:
700mW*2@32Ω THD+N<>
125mW*2@300Ω THD+N<>
Adapter impedance:16-300Ω
Spec:
USB IN:
44.1kHz-768kHz/16bit-32bit,
DSD64-DSD512(Natuve),
DSD64-DSD256(DOP)
OPT/COAX IN:44.1kHz-192kHz/16bit-24bit
BT IN:AAC/SBC/APTX/APTX-LL/APTX-HD/LDAC

Features:
Support Highest DSD512(Native)and PCM32bit/768KHz
USB of D50s supports DSD64-DSD512(Native)and PCM16bit/44.4kHz-32 bit/768 kHz.Coaxial and Optical support highest PCM 24 bit/192 kHz and DOP DSD64.

Bluetooth 5.0 LDAC transmission
D50s already has Hi-Res Audio Wireless certificate and SONY LDAC certificate.It uses CSR8675 chipset to support LDAC/AAC/SBC/aptX/aptX-LL/aptX-HD protocol.To get better sound quality,it will decode ES9038Q2M.And Bluetooth module could turn off separately at the menu.

THD+N as low as 0.00025%,SIAND as high as 112dB.

XMOS XU208 and customized drive
D50s uses XU208 which is the second gen of XMOS for USB interface. We also customized Thesycon drivers for D50s(Win7 or above). These make D50s provide better support for DSD native.

OPA 162 SoundPlus and LME4972 High-Performance Audio OP amp
2*OPA 1612 SoundPlus OP and 1*LME49720 OP amp from TI build the LPF of D50s.The excellent performance of the OP amp ensures losses of signal transmission. The LME49720 is installed on an OP amp socket,DIYers are also able to swap the OP amp to get different sound.
*1:Not recommended for non-professional users.
2:Specs may be changed of using other OP amp.

Unibody of D50s is made from a solid aluminum brick.It provide better mechanical strength and better anti-interference ability.
Device attributes:
Measured:11.9cm*11cm*2.6cm
Weight:510g
Power input:DC5V/1A
Color:Black/Silver
Input:USB/OPT/COAX/BT
Line Out Output:RCA
Package list:
D50s*1
DC cable*1
USB cable*1
Bluetooth antenna*1
Remote control*1
User’s manual*1

Technical Parameters:
The power amplifier circuit uses separate Class A lines, each channel 2 pairs of power tube, a total of 8 pairs of power tube;
The main filter uses Nikon nichicon audio capacitor KG gold tune
Equipped with third gear gain (high,middle,low), Support amp and line (XLR) output at the same time;
There are three inputs: RCA * 1, XLR * 2
The left and right channels each adopt a custom 50W audio ring transformer, completely independent of each other without interference;
All aluminum chassis, silver and black colors available;

Machine size: 330 * 260 * 65MM (without protruding parts);
Packaging size: 420 *360*175MM;
Package weight: 6.0KG;

H20 Parameters:
Line input: 1*RCA, 2*XLR
Line output: XLR * 1 (Preamp output)
Amp output: 1*6.35mm single-ended high resistance,

1*6.35mm single-ended low resistance

2*Three-core balanced Output, 1*four-core balance output

Analog input:
RCA standard input group, input sensitivity typical value: 2Vrms; input impedance 47kΩ
XLR balanced input two groups, input sensitivity typical: 6Vrms; input impedance 2.4kΩ
Front analog output (XLR):
Output impedance 200Ω
Frequency response: 20-80kHz /-0.1dB
Signal to noise ratio:> 122dB
Channel crosstalk: -130dB @ 1kHz
THD + N: <>
IMD: <>
amp output:
Frequency response: 20-80kHz /-0.1dB
Signal to noise ratio:> 120dB
Channel crosstalk: -120dB @ 1kHz
THD + N: <0.0005% @="" 6000mw="" into="" 32ω="">
IMD: <0.0005% @="" 6000mw="" into="" 32ω="">
Maximum distortion output power 6000mW into 32Ω LOAD
Maximum output power 12000mW @ 32Ω (THD = 1%)
Load power:
64Ω 5360mW
150Ω 2680mW
300Ω 1340mW
600Ω 670mW

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