Short answer: the Audioengine A5+ Classic. It ranks #37 of 108 powered bookshelf speakers by sound quality, rated 4.0/5, at $399; the Palmer STUDIMON 5 ranks #68, rated 3.6/5, and costs $539.98, which makes this an easy call rather than a real tradeoff.
The Audioengine A5+ Classic is the more accurate option. ASR’s A5+ Powered measurements give 4.59 standalone and 7.06 with an ideal subwoofer, with a 2.7dB midrange span. Its measured preference score, a predictor of how neutral it sounds, is 4.59 against 3.48 for the Palmer STUDIMON 5. It keeps a wired aux input, which the Palmer STUDIMON 5 lacks. The catch: The measured -3dB point is around 69Hz, and the upper-bass recession can reduce body in voices and instruments.
The case for the Palmer STUDIMON 5: The available third-party measurements predict 3.48 standalone and 6.37 with an ideal subwoofer. The catch: The trace spans 4.0dB from 300Hz to 5kHz and estimates -3dB bass around 80Hz, with local irregularities despite the level overall trend.
Buy the Audioengine A5+ Classic. It is rated higher for sound quality than the Palmer STUDIMON 5 and costs less, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Powered Home rankings.
Specifications Side By Side
| Audioengine A5+ Classic | Palmer STUDIMON 5 | |
|---|---|---|
| Price | $399.00 per pair | $539.98 per pair |
| Ranked | #37 of 108 in Medium Size Powered Bookshelf Speakers | #68 of 108 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 68Hz (measured, Audio Science Review) | - |
| Bass Extension (-10dB) | 50Hz (measured, Audio Science Review) | - |
| Dimensions | 10.9”H x 7.2”W x 9.7”D (276.2 x 182.6 x 247.6 mm) | 10.6H x 7.5W x 8.5D in |
| Frequency Response | 50Hz - 22kHz (+/-1.5dB) (Manufacturer specified) | 70Hz - 20kHz (-3dB) (Manufacturer specified) |
| Weight | 15.4 lbs (7 kg) (left/powered), 9.7 lbs (4.4 kg) (right) | 8.6 lbs (3.9 kg) each |
| Drivers | 5” Kevlar woofer, 0.75” silk dome tweeter | 0.75” soft-dome tweeter, 5” woofer |
| App | No | - |
| EQ | No | - |
| DSP | No | - |
| Amplifier Power | 50W RMS / 75W peak | 60W each (30W LF, 30W HF) |
| Spinorama Preference Score | 4.59 | 3.48 |
| Spinorama Preference Score with Perfect Sub | 7.06 | 6.37 |
| Subwoofer Output | Yes | - |
| Outputs | RCA variable output (subwoofer) | - |
| Inputs | RCA, Aux | Balanced XLR and 1/4” TRS |
| XLR Input | No | Yes |
| RCA Input | Yes | No |
| TRS Input | No | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | Yes | No |
| Bluetooth | No | No |
| Enclosure | - | 2-way active, rear-ported |
| Country | - | Germany (design) |
Frequency Response Compared
Both speakers’ spinorama measurements, overlaid. A flatter line is more neutral: peaks sound forward or harsh, dips sound recessed. Each curve is shifted so its average from 300 Hz to 3 kHz sits at 0 dB, so loudness differences between the two are removed and only the shape is compared. The two were measured by different sources, so small differences, especially in the bass, can come from the measurement setup rather than the speakers.
Measurement data: Audioengine A5+ Classic (measured by Audio Science Review) and Palmer STUDIMON 5 (measured by an independent reviewer), via spinorama.org.
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Prices on this page were last checked October 15, 2026 at 5:41 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Audioengine A5+ Classic: $399.00 per pair Amazon $399.00 B&H Photo Video $469 eBay
Same family: the Audioengine A2+ (smaller bookshelf, rated 3.4/5).
Pros: ASR’s A5+ Powered measurements give 4.59 standalone and 7.06 with an ideal subwoofer, with a 2.7dB midrange span. The analog powered pair is straightforward to use without an external amplifier. The measured result supports a more capable tonal balance than its former low position suggested. Measured bass extension of 68Hz (-3dB).
Cons: The measured -3dB point is around 69Hz, and the upper-bass recession can reduce body in voices and instruments. The existing review reports crossover-region directivity errors and a distortion feature around 800-900Hz. The score does not make it a reference monitor, and adding a subwoofer cannot correct those midrange and off-axis issues.
Full Audioengine A5+ Classic review and specifications →
| Released | Oct 2011 (15 years ago) |
|---|---|
| AES Input | No |
| Amplifier Power | 50W RMS / 75W peak |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 50Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 68Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| DSP | No |
| Dimensions | 10.9”H x 7.2”W x 9.7”D (276.2 x 182.6 x 247.6 mm) |
| Drivers | 5” Kevlar woofer, 0.75” silk dome tweeter |
| EQ | No |
| Frequency Response | 50Hz - 22kHz (+/-1.5dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | RCA, Aux |
| Optical Input | No |
| Outputs | RCA variable output (subwoofer) |
| RCA Input | Yes |
| Spinorama Preference Score | 4.59 |
| Spinorama Preference Score with Perfect Sub | 7.06 |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | No |
| Weight | 15.4 lbs (7 kg) (left/powered), 9.7 lbs (4.4 kg) (right) |
| XLR Input | No |
- Links
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Palmer STUDIMON 5: $539.98 per pair Amazon $269.99 Thomann $175 eBay
Pros: The available third-party measurements predict 3.48 standalone and 6.37 with an ideal subwoofer. Balanced inputs and a conventional compact monitor cabinet make it straightforward to use with studio equipment. The broad response trend is approximately level rather than strongly bright or dark.
Cons: The trace spans 4.0dB from 300Hz to 5kHz and estimates -3dB bass around 80Hz, with local irregularities despite the level overall trend. There are no room-EQ controls to address broad placement errors, and the available score does not establish clean output.
Full Palmer STUDIMON 5 review and specifications →
| Released | Feb 2019 (7 years ago) |
|---|---|
| AES Input | No |
| Amplifier Power | 60W each (30W LF, 30W HF) |
| Aux Input | No |
| Bluetooth | No |
| Coaxial Input | No |
| Country | Germany (design) |
| Dimensions | 10.6H x 7.5W x 8.5D in |
| Drivers | 0.75” soft-dome tweeter, 5” woofer |
| Enclosure | 2-way active, rear-ported |
| Frequency Response | 70Hz - 20kHz (-3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Balanced XLR and 1/4” TRS |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 3.48 |
| Spinorama Preference Score with Perfect Sub | 6.37 |
| TRS Input | Yes |
| USB Input | No |
| Weight | 8.6 lbs (3.9 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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