Micca MB42X
Bookshelf speaker
Drag to turn the model. It is built from the published dimensions, not a photo.
The Micca MB42X is an 8 Ω bookshelf speaker rated 85 dB (1 W, 1 m). Of the 29 receivers and amps in our catalogue, 29 are rated to drive it.
$100 a pair (MSRP, September 2026)
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Receivers and amplifiers for the MB42X
Each pairing is checked by our compatibility engine: the speaker's impedance against the amplifier's rated minimum, and height decoding for height speakers. Whether it plays loud enough depends on how far you sit, which the 3D editor works out for your room.
Rated to drive it (29)
- Denon AVR-S570BT
5 amplified channels · 70 W at 8 Ω
- Emotiva BasX A-700
7 channels · 110 W at 8 Ω
- Yamaha RX500A
7 amplified channels · 70 W at 8 Ω
- Denon AVR-S670H
5 amplified channels · 75 W at 8 Ω
- Denon AVR-X1700H
7 amplified channels · 80 W at 8 Ω
- Monoprice M7100X
7 channels · 90 W at 8 Ω
- Denon AVR-S770H
7 amplified channels · 75 W at 8 Ω
- Onkyo TX-NR6100
7 amplified channels · 100 W at 8 Ω
- Yamaha RX-V6A
7 amplified channels · 100 W at 8 Ω
- Crown XLS 1502
2 channels · 300 W at 8 Ω
- Denon AVR-X1800H
7 amplified channels · 80 W at 8 Ω
- Denon AVR-S970H
7 amplified channels · 90 W at 8 Ω
- Onkyo TX-RZ30
9 amplified channels · 100 W at 8 Ω
- Pioneer VSX-LX305
9 amplified channels · 100 W at 8 Ω
- Onkyo TX-NR7100
9 amplified channels · 100 W at 8 Ω
- Marantz Cinema 70s
7 amplified channels · 50 W at 8 Ω
- Denon AVR-X2900H
7 amplified channels · 95 W at 8 Ω
- Pioneer VSX-LX505
9 amplified channels · 120 W at 8 Ω
- Emotiva XPA-2 Gen3
2 channels · 300 W at 8 Ω
- Onkyo TX-RZ50
9 amplified channels · 120 W at 8 Ω
- Denon AVR-X3800H
9 amplified channels · 105 W at 8 Ω
- Denon AVR-X3900H
9 amplified channels · 105 W at 8 Ω
- Monoprice Monolith 7X
7 channels · 200 W at 8 Ω
- Emotiva XPA-5 Gen3
5 channels · 250 W at 8 Ω
- Denon AVR-X4800H
9 amplified channels · 125 W at 8 Ω
- Marantz Cinema 50
9 amplified channels · 110 W at 8 Ω
- Denon AVR-X6800H
11 amplified channels · 140 W at 8 Ω
- ATI AT525NC
5 channels · 200 W at 8 Ω
- Parasound Halo A 21+
2 channels · 300 W at 8 Ω
MB42X specifications
| Impedance | 8 Ω |
|---|---|
| Sensitivity | 85 dB (1 W, 1 m) |
| Low end | 60 Hz |
| Drivers | 1 × 19 mm, 1 × 102 mm |
| Size | 6×9×6 in |
| MSRP | $100 a pair (MSRP, September 2026) |
Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.
Questions about the MB42X
- What receiver do I need for the MB42X?
- One rated for 8 Ω speakers. In our catalogue, Denon AVR-S570BT, Emotiva BasX A-700 and Yamaha RX500A are rated to drive it.
- Is the MB42X 4 ohm or 8 ohm?
- The Micca MB42X has a nominal impedance of 8 Ω. Use a receiver or amplifier rated down to 8 Ω or lower.
- How much power does the MB42X need?
- Micca does not publish a recommended amplifier power. Its sensitivity is 85 dB (1 W, 1 m). How much of that you use depends on how far you sit and how loud you listen, which the 3D editor works out for your room.
- How low does the MB42X go?
- The Micca MB42X is rated down to 60 Hz. Below that, a subwoofer takes over; where the bass actually lands depends on your room's modes.
- How big is the MB42X?
- The Micca MB42X measures 147 × 241 × 165 mm (5.8 × 9.5 × 6.5 in, width × height × depth).
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References
Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.