9. What are the main differences between Q3 MQA and Q3?
Parameters Comparisons Between Q3 and Q3 MQA
| General Specifications | ||
| Q3 MQA | Q3 | |
| Color Available | Black | Black |
| Dimensions | about 105mm x 59mm x 12.5mm | About 105mm x 59mm x 12.5mm |
| Weight | About 110g | About 110g |
| Analog Audio Input | Standard 3.5 mm Jack | Standard 3.5 mm Jack |
| USB Port | Type C USB (charging/data transmission) | Type C USB |
| Headphone Output | Standard 3.5mm socket | Standard 3.5 mm Jack |
| Line Output | N/A | N/A |
| Balance Headphone Output | 2.5mm /4.4mm Jack | 2.5mm /4.4mm Jack |
| Headphone Impedance Range | 16~100Ω (PO) | 16~100Ω ( PO) |
| 16~300Ω (BAL) | 16~300Ω (BAL) | |
| Volume Control | analog potentiometer (ADC sampling) | ADC volume adjustment |
| Bass Adjust | Yes | Yes |
| Treble Adjust | N/A | N/A |
| Balance Adjust | N/A | 0.2 dB |
| GAIN Control | Yes(High/Low) | Yes(High/Low) |
| Bluetooth | N/A | N/A |
| Operation | Volume knob + Toggle switch | Volume knob + Physical buttons + Toggle switch |
| Chip Used | DAC: AK4452,USB: XMOS XU316,AMP:THX_AAA_28*2 | DAC: AKM4462，USB: XMOS XU208，AMP: THX_AAA28*2 |
| Audio Performance (DAC Section) | ||
| DSD Support（USB IN） | DSD64/128/256 | DSD64/128/256/512 |
| USB Sample Rate Support | 384kHz/32bit | 768kHz/32bit |
| Frequency Response | 20Hz ~ 50 kHz (attenuation: 1.5dB) | 6Hz~90 kHz(-3dB) |
| THD+N | 0.00% | <0.0012% (1 kHz/32Ω) |
| SNR | 115dB(A-weighted USB DAC IN) | ≥ 114dB(A-weighted USB DAC IN) |
| Headphone out specifications (3.5mm headphone out jack) | ||
| Output Power 1 | 175mW(16Ω,THD+N<1%) | ≥150mW(16Ω / THD+N<1%, AUX IN) |
| Frequency Response | 20Hz ~ 50kHz: (attenuation: 1.5dB) | 20Hz~65kHz (-3dB) |
| SNR | ≥ 115dB (A-based) | ≥ 114dB (A-weighted, AUX IN) |
| Output impedance | ≤ 1 Ω | <1.2 Ω(32 Ω loadde) |
| Crosstalk | ≥76dB (1 kHz,AUX IN) | ≥75dB (1 kHz, AUX IN) |
| THD+N | <0.0012%(1kHz/-6dB @ 32 Ω) | <0.0012% (1 kHz, AUX IN) |
| Power and Battery | ||
| Power/Charger | DC5V 2A | DC5V 2A |
| Charging Indicator | N/A | N/A |
| Charging display | have | Yes |
| Low Battery Warning | (every 3 seconds, the red light flashes 2 times) | Red light flashes twice every 5 seconds |
| Battery Capacity | 1800mAh | 1800mAh |
| Battery Life | 2.5mm/4.4mm balanced output: ≥ 23h(Line IN) 3.5mm earphone output: ≥ 13h 2.5mm/4.4mm balanced output: ≥ 12h(USB decoding) |
>19h (AUX IN) >10h (USB IN) |
Other differences
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The Q3 MQA uses an all-new barcode with Q3AK4452.
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The package box of Q3 MQA is newly designed in a science fiction style, and adds an MQA logo.
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The back panel of Q3 MQA adds VELVET SOUND logo.
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The Q3 MQA comes with X-type silicone strap and silicone straps, with no storage bag.
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