The Drop + THX AAA 789 ranks #10 out of 30 total Headphone Amplifiers for sound quality. See all Headphone Amps and DACs rankings for every top pick.
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#10 Drop + THX AAA 789 Discontinued eBay
Pros: Audio Science Review measured a SINAD of 117 dB, so its noise and distortion are inaudible and it is effectively transparent. A rated 6,000 mW into 32 ohms is enough for nearly any headphone, including hard to drive planars, with 800 mW into 300 ohms for high impedance models. It offers balanced outputs and RCA, XLR inputs.
Cons: Discontinued, so it is mainly found used. It has no built in DAC, so it needs a separate DAC or source with a line output.
| Released | 2018 (8 years ago) |
|---|---|
| Balanced Output | Yes |
| Device Type | Headphone amp |
| Dimensions | 8.3” x 2.2” x 9.1” (210 x 57 x 230 mm) |
| Headphone Outputs | 6.35 mm, 3.5 mm, 4-pin XLR |
| Inputs | RCA, XLR |
| Output Power (300 ohms) | 800 mW |
| Output Power (32 ohms) | 6,000 mW |
| SINAD | 117 dB (measured by Audio Science Review) |
| Weight | 3.4 lbs (1,520 g) |
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