March 09, 2021Audio Product Reviews

TOPPING L30 vs A30 Pro vs A90 Comparison Chart

The 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.


	TOPPING L30 Headphone Amp	TOPPING A30 Pro Headphone Amp	TOPPING A90 Headphone Amp
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
Inputs	RCA	RCA XLR	RCA XLR
Outputs	6.35mm	6.35mm 4.4mm 4-pin XLR	6.35mm 4.4mm 4-pin XLR
Amp Inputs	Single-ended	Single-ended Balanced	Single-ended Balanced
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