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Topping A30 Pro Headphone Amplifier

Topping A30 Pro Headphone Amplifier

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Product Description
It’s taken Topping nearly 4 years to release a successor to the highly regarded A30 headphone amplifier. With marked improvements in output power, input options, and noise reduction, the A30 Pro has been worth the wait Read More

Next-Gen, No-Noise Headphone Amplification

It’s taken Topping nearly 4 years to release a successor to the highly regarded A30 headphone amplifier. With marked improvements in output power, input options, and noise reduction, the A30 Pro has been worth the wait. Capable of outputting an impressive 6 watts per channel at 16 ohms, 5.5 watts at 32 ohms, and 820 milliwatts at 300 ohms, the power-loaded Pro can easily drive any pair of headphones. Best of all, it can do so with no noise. Its THD + N rating of 0.00006-percent is among the best in its class, while its onboard ground lift switch eliminates ground loop noise instantly. Equipped with UHGF (ultra high gain feedback) technology and an NFCA-based circuit, the A30 Pro also boasts 145 decibels of dynamic range—plus a three-stage gain selector. Connect to a host of single-ended and balanced inputs (with bypass when powered off) to bring your headphones to life. 

Topping A30 Pro Headphone Amplifier
Topping A30 Pro Headphone Amplifier
Topping A30 Pro Headphone Amplifier
Topping A30 Pro Headphone Amplifier

Model

Specs

 General

  • Topping
  • Output power: 6 W x 2 (16 ohms, THD+N <0.1%); 5,500 mW x 2 (32 ohms, THD+N <0.1%); 840 mW x 2 (300 ohms, THD+N <0.1%)
  • Inputs: XLR (left and right), RCA 
  • Outputs: 4-pin XLR, 4.4 mm, 6.35 mm
  • Bypass output (when power off)
  • Passthrough outputs: 6.35mm TRS (left and right), RCA
  • THD+N: < 0.00006%
  • Noise: < 0.3 uVrms
  • Power: 100 – 240 VAC, 50 Hz / 60 Hz
  • Gain settings: Low (-14 dB), Medium (0 dB), High (+14 dB)
  • Power consumption: < 9 W
  • Adapter impedance: > 8 ohms
  • Weight: 1.9 lbs (0.87 kg)
  • Dimensions: 6.85 x 5.4 x 1.7 in (17.4 x 13.8 x 4.5 cm)

Single-Ended Input

  • THD + N (1 kHz A-weighted): <0.00007% (3.5 W, 32 ohms); <0.00006% (90 mW, 300 ohms)
  • THD (20 Hz – 20 kHz, 90 kBW): <0.00008% (760 mW, 32 ohms); <0.00007% (81 mW, 300 ohms)
  • SNR (maximum output, 1kHz A-weighted): 145 dB
  • SNR (50 mV output, 1kHz): 104 dB
  • Dynamic range (1 kHz A-weighted): 145 dB
  • Frequency response: 20 Hz – 40,000 Hz (± 0.05 dB)
  • Output level: 34 Vpp (low gain), 34 Vpp (medium gain), 45 Vpp (high gain)
  • AP-measured noise level (A-weighted): < 0.7 uVrms (low gain), 0.7 uVrms (medium gain), 1.2 uVrms (high gain)
  • Actual noise level: < 0.3 uVrms (low gain), < 0.3 uVrms (medium gain), < 0.9 uVrms (high gain)
  • Channel crosstalk (1 kHz): -106 dB
  • IMD CCIF (18 kHz + 19 kHz): -116 dB
  • IMD SMPTE (60 Hz + 7 kHz): -110 dB (SMPTE 4:1), -115 dB (SMPTE 1:1)
  • Input sensitivity: 60 Vrms (low gain), 12.6 Vrms (medium gain), 2.7 Vrms (high gain)
  • Gain: -14 dB (low gain), 0 dB (medium gain), 14 dB (high gain)
  • Output impedance: < 0.1 ohms

Balanced Input

  • THD + N (1 kHz A-weighted): <0.00007% (3.2 W, 32 ohms), <0.00006%  (86 mW, 300 ohms)
  • THD (20 Hz – 20 kHz, 90 kBW): <0.00008% (760 mW, 32 ohms), <0.00007% (81 mW, 300 ohms)
  • SNR (maximum output, 1kHz A-weighted): 140dB
  • SNR (50 mV output, 1kHz): 104 dB
  • Dynamic range (1 kHz A-weighted): 140 dB
  • Frequency response: 20 Hz – 40,000 Hz (± 0.1 dB)
  • Output level: 6.6 Vpp (low gain), 34 Vpp (medium gain), 45 Vpp (high gain)
  • AP-measured noise level (A-weighted): < 0.7 uVrms (low gain), < 0.7 uVrms (medium gain), 1.2 uVrms (high gain)
  • Actual noise level: < 0.3 uVrms (low gain), < 0.3 uVrms (medium gain), < 1.1 uVrms (high gain)
  • Channel crosstalk (1 kHz): -101 dB
  • IMD CCIF (18 kHz + 19 kHz): -116 dB
  • IMD SMPTE (60 Hz + 7 kHz): -110 dB (SMPTE 4:1), -116 dB (SMPTE 1:1)
  • Input sensitivity: 12.7 Vrms (low gain), 12.7 Vrms (medium gain), 2.7 Vrms (high gain)
  • Gain: -14 dB (low gain), 0 dB (medium gain), 14 dB (high gain)
  • Output impedance: < 0.1 ohms

Manufacturer’s Note

  • The actual noise level is obtained by boosting the noise of the A30 Pro by 40 dB using a low noise amplifier in front of the APx555B and then dividing the measured noise by 100 times

Included

  • AC power cable
  • 6.35 mm to 3.5 mm adaptor
  • Owner’s manual

Shipping

Estimated ship date is Mar 22, 2024 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final.

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Top Customer Questions6
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Question
It's not balanced, they're just XLR jacks.
Apr 5, 2021
Top Answer
Ro0omi7xx
21
It's Balanced input > Unbalanced Output I think Balanced is not that important as an output, Amps these days masures really well that it does not need a balanced output to decrease distortion and...Read More
Apr 11, 2021
Question
Does this work as a preamp for active speakers from the output XLRs?
Apr 5, 2021
Top Answer
racheski
248
No, it is pass thru only. No pre-amp function.Read More
Apr 5, 2021
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Question
Topping really misjudged the price on this one. Gustard H16 runs circles around it - it's fully balanced with remote, a true preamp function, r2r volume control and only $50 more...
Apr 6, 2021
Top Answer
uglykidmoe
2
aren't they different animals? the h16 has no headphone connection and the price is $150 more, not $50.Read More
Oct 17, 2021
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