Short answer: the PreSonus Eris Studio 8, if you are buying new. The M-Audio BX8 D3 ranks higher than it (#80 vs #99 of 119 powered bookshelf speakers, 4.0/5 vs 3.9/5) but is discontinued, so only consider it used; the PreSonus Eris Studio 8 is still sold new at $419.98.
What the M-Audio BX8 D3 does well: An 8 inch studio monitor with useful bass and simple analog connections for a straightforward studio setup. Watch for: A 3.9dB response span from 300Hz to 5kHz and downward tonal tilt suggest a darker, less even presentation than the leaders.
What the PreSonus Eris Studio 8 does well: A budget 8 inch studio monitor with XLR, TRS and RCA inputs and room adjustment controls for a conventional studio desk. The catch: The large cabinet requires substantial desk or stand space.
Buy the PreSonus Eris Studio 8 if you want one new; the M-Audio BX8 D3 is discontinued, so only look for it used.
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Specifications Side By Side
| M-Audio BX8 D3 | PreSonus Eris Studio 8 | |
|---|---|---|
| Price | $258 per pair Discontinued | $419.98 per pair |
| Ranked | #80 of 119 in Large Size Powered Bookshelf Speakers | #99 of 119 in Large Size Powered Bookshelf Speakers |
| Enclosure | 2-way active, rear-ported MDF | - |
| Drivers | 1.25” silk-dome tweeter, 8” Kevlar woofer | 8” (203mm) woofer |
| Dimensions | 15.1H x 9.8W x 11.9D in | 16.5”H x 9.8”W x 11.7”D (419.1 x 248.9 x 297.2 mm) |
| Weight | 23.1 lbs (10.5 kg) each | 22.3 lbs (10.1 kg) each |
| Amplifier Power | 150W each (80W LF, 70W HF) | 140w Per Speaker |
| Inputs | Balanced XLR and 1/4” TRS | TRS, XLR, RCA |
| Country | United States (design) | - |
| Spinorama Preference Score | 4.65 | - |
| Spinorama Preference Score with Perfect Sub | 6.66 | - |
| XLR Input | Yes | Yes |
| RCA Input | No | Yes |
| TRS Input | Yes | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Bluetooth | No | No |
| Frequency Response | 37Hz - 22kHz (Manufacturer specified) | 35Hz - 20kHz (Manufacturer specified) |
| App | - | No |
| EQ | - | Yes (Room adjustment) |
| DSP | - | No |
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