Short answer: the Aalto Speakers Aalto 1 EVO. It ranks #11 of 179 bookshelf speakers by sound quality (rated 4.3/5); the Micca RB42 ranks #154 (rated 2.3/5).
The Aalto Speakers Aalto 1 EVO is the more accurate, deeper-bass choice. A very compact Finnish bookshelf speaker with excellent, neutral sound and a waveguided tweeter at a budget price. Its measured preference score, a predictor of how neutral it sounds, is 5.92 against 4.59 for the Micca RB42. Its bass reaches about 47.4Hz before falling 10dB, against 62Hz for the Micca RB42. The catch: Low 81.5dB sensitivity and a 3.3-ohm minimum impedance demand a capable amplifier.
What the Micca RB42 does well: A budget bookshelf speaker with a curved cabinet that looks far pricier and works with a wide range of amplifiers. The catch: CEA2034 spinorama shows significant peaks and valleys in the on-axis and listening-window response starting a few kHz up, with excess high-frequency energy the reviewer found fatiguing over time despite seeming detailed at first.
Buy the Aalto Speakers Aalto 1 EVO. It is rated higher for sound quality than the Micca RB42.
Still deciding? The full Passive Home rankings cover every ranked option.
A very compact Finnish bookshelf speaker with excellent, neutral sound and a waveguided tweeter at a budget price.
A budget bookshelf speaker with a curved cabinet that looks far pricier and works with a wide range of amplifiers.
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Specifications Side By Side
| Aalto Speakers Aalto 1 EVO | Micca RB42 | |
|---|---|---|
| Price | €599 per pair | $159.99 per pair |
| Ranked | #11 of 179 in Medium Size Bookshelf Speakers | #154 of 179 in Medium Size Bookshelf Speakers |
| Enclosure | Passive 2-way bass reflex | - |
| Drivers | 1-inch titanium tweeter, 4-inch woofer | 4” coated paper woofer, 0.75” silk dome tweeter |
| Frequency Response | 53Hz-30kHz | 50Hz - 20kHz (Manufacturer specified, typical in-room) |
| Sensitivity | 81.5dB/2.83V/1m | 80dB (2.83V/1m, measured, Audio Science Review) |
| Impedance | 4 ohms nominal, 3.3 ohms minimum | 4-8 ohms |
| Power Handling | 15-100W | 15-100W each |
| Dimensions | 9.5”H x 5.2”W x 8.2”D (242 x 132 x 208 mm) | 8.7H x 4.9W x 7.9D in |
| Weight | 5.3 lbs (2.4 kg) each | 6 lbs (2.7 kg) each (per retailer listing) |
| Country | Finland | - |
| Spinorama Preference Score | 5.92 | 4.59 |
| Spinorama Preference Score with Perfect Sub | 8.25 | 6.87 |
| Bass Extension (-3dB) | 53.4Hz (manufacturer spinorama data) | 85Hz (measured, Audio Science Review) - the reviewer noted an artificial boost around 100-300Hz, so true extension may be worse than this on-axis reading suggests |
| Bass Extension (-10dB) | 47.4Hz (derived, log-interpolated between manufacturer spinorama -9dB/-12dB points) | 62Hz (measured, Audio Science Review) - the reviewer noted an artificial boost around 100-300Hz, so true extension may be worse than this on-axis reading suggests |
| DIY Kit | No | No |
| Woofer Cabinet | - | ported, front |
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