TOPPING L30 vs vs A50s vs A30 Pro Comparison Chart
March 05, 2021Audiophiles looking for a stellar amp in the sub-$350 range have options aplenty. TOPPING alone carries three amps in that range suited for various use-cases. We've gathered them here to help you understand how their specs stack up against each other.
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 | $219.99 | $349 |
| Dimensions | 5.2 x 3.9 x 1.2” | 4.8 x 4.3 x 1" | 6.85 x 5.4 x 1.7” |
| Weight | 2.2lbs | 1.1lbs | 1.9lbs |
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| Amp Inputs | Single-ended | Single-ended | Single-ended |
| Pre-amp | Yes | Yes | No |
| Pass-through | No | No | Yes |
| Ground Loop Noise Switch | No | No | Yes |
| Gain | -9/0/9dB | 0/6dB | -14/0/14dB |
| SE power | 3500mWx2@16Ω | 1,400mWx2 @(32Ω) | 6000mWx2@16Ω |
| Balanced power | 3,500mWx2 @(32Ω) | ||
| SE output impedance | <0.1Ω | <0.1Ω | <0.1Ω |
| Lowest THD+N | <0.00006% | <0.00007% | <0.00006% |
| Max SNR | 141dB | 143dB | 145dB |
| DNR | 141dB | 144dB | 145dB |
| Channel crosstalk | -91dB | -128dB | -106dB |