TOPPING L30 vs A30 Pro vs A90 Comparison Chart
March 09, 2021The all-new TOPPING A30 Pro headphone amp lands firmly in the middle of the price range of TOPPING's amps, making it something of a middle child. Does that make it a creature of compromise or a well-priced all-rounder?
We're pitting TOPPING's best-selling amps against each other to help you see how their specs stack up. Each of these amps is available right here on Apos, so if you have any questions about them feel free to reach out to our Support Team.
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| Price | $149 | $349 | $499 |
| Dimensions | 5.2 x 3.9 x 1.2” | 6.85 x 5.4 x 1.7” | 8.7 x 6.2 x 1.7” |
| Weight | 2.2lbs | 1.9lbs | 7.7lbs |
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| Amp Inputs | Single-ended | Single-ended | Single-ended |
| Pre-amp | Yes | No | Yes |
| Pass-through | No | Yes | No |
| Ground Loop Noise Switch | No | Yes | No |
| Gain | -9/0/9dB | -14/0/14dB | -9.5/0/9.5dB |
| SE power | 3500mWx2@16Ω | 6000mWx2@16Ω | 3500mWx2@16Ω |
| Balanced power | 7600mWx2@16Ω | ||
| SE output impedance | <0.1Ω | <0.1Ω | <0.1Ω |
| Lowest THD+N | <0.00006% | <0.00006% | <0.00006% |
| Max SNR | 141dB | 145dB | 145dB |
| DNR | 141dB | 145dB | 145dB |
| Channel crosstalk | -91dB | -106dB | -106dB |