Short answer: the Vanatoo Transparent Zero Plus. It ranks #45 of 100 powered bookshelf speakers by sound quality (rated 3.9/5) at $499.99 and is still sold new; the NHT Pro M-00 ranks #98 (rated 1.7/5) and is discontinued, so it is only an option used.
The Vanatoo Transparent Zero Plus is the better-sounding choice. Erin’s data shows a small 1.7dB span from 300Hz to 5kHz and a broadly level midrange trend. It keeps a wired aux input, which the NHT Pro M-00 lacks. The tradeoff: The measured -3dB point is around 95Hz, with a much lower F10 in the original review; this is not flat bass to the low-50Hz region.
What the NHT Pro M-00 does well: A sturdy metal enclosure, analog studio/consumer connections and selectable nearfield/farfield voicing give it practical features as an older powered monitor. Watch for: The review identifies a pronounced upper-bass cancellation, treble peaks and problematic vertical response, and strongly prefers the JBL 305P MKII in direct listening.
Buy the Vanatoo Transparent Zero Plus. It is rated higher for sound quality; the NHT Pro M-00 is no longer sold new.
Still deciding? The full Powered Home rankings cover every ranked option.
Specifications Side By Side
| Vanatoo Transparent Zero Plus | NHT Pro M-00 | |
|---|---|---|
| Price | $499.99 per pair | $498 per pair (used market; originally $249 each), Discontinued |
| Ranked | #45 of 100 in Medium Size Powered Bookshelf Speakers | #98 of 100 in Medium Size Powered Bookshelf Speakers |
| Drivers | 4” aluminum cone woofer, 4” long-throw passive radiator, 1” soft dome tweeter | 1” ferrofluid-cooled fabric dome tweeter, 4.5” treated paper-cone woofer |
| Amplifier Power | 120W total (Class D) | 75W RMS continuous, 150W peak (per speaker) |
| Inputs | Bluetooth (aptX HD), USB (24-bit/96kHz), Toslink Optical (24-bit/96kHz), 3.5mm Analog | RCA, XLR/TRS |
| Bluetooth Codecs | SBC, AAC, aptX, aptX HD | - |
| Dimensions | 8.5”H x 5.5”W x 6”D | 9H x 5.7W x 7.3D in |
| Weight | 7.1 lbs (3.2 kg) each | 14 lbs (6.35 kg) each |
| Bass Extension (-3dB) | 92Hz (measured, Erin’s Audio Corner) | 83.3Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 53Hz (measured, Erin’s Audio Corner) | 59.7Hz (measured, Audio Science Review) |
| Sensitivity | 88.5dB (measured at 0.3V/1m, Erin’s Audio Corner) | - |
| DSP | Yes (8th-order Butterworth high-pass at 58Hz) | No |
| Spinorama Preference Score | 4.07 | - |
| Spinorama Preference Score with Perfect Sub | 6.73 | - |
| Subwoofer Output | Yes | - |
| Outputs | RCA subwoofer | - |
| XLR Input | No | Yes |
| RCA Input | No | Yes |
| TRS Input | No | Yes |
| Optical Input | Yes | No |
| Coaxial Input | No | No |
| USB Input | Yes | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | Yes | No |
| Bluetooth | Yes | No |
| Frequency Response | 56Hz - 20kHz (+/-3dB) (Manufacturer specified) | 98Hz - 20kHz (Manufacturer specified) |
| App | - | No |
Related Speaker Comparisons
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Prices on this page were last checked October 7, 2026 at 9:25 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
Vanatoo Transparent Zero Plus: $499.99 per pair Amazon eBay
Older model: the Vanatoo Transparent Zero (ranked lower, rated 3.7/5).
Pros: Erin’s data shows a small 1.7dB span from 300Hz to 5kHz and a broadly level midrange trend. Scores of 4.07 standalone and 6.73 with an ideal subwoofer support it as a useful compact desktop option. Flexible cabinet orientation, multiple inputs and automatic subwoofer crossover behavior help with setup. Measured bass extension of 92Hz (-3dB), with a measured sensitivity of 88.5dB.
Cons: The measured -3dB point is around 95Hz, with a much lower F10 in the original review; this is not flat bass to the low-50Hz region. Vertical listening angle changes the upper-midrange response. The review finds cleaner results at moderate levels than near maximum output, where multitone distortion increases. A subwoofer is particularly valuable here. An 8th-order high-pass filter at 58Hz sharply cuts bass below that point, so kick drum fundamentals need a subwoofer.
Full Vanatoo Transparent Zero Plus review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 120W total (Class D) |
| Aux Input | Yes |
| Bass Extension (-10dB) | 53Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 92Hz (measured, Erin’s Audio Corner) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, aptX, aptX HD |
| Coaxial Input | No |
| DSP | Yes (8th-order Butterworth high-pass at 58Hz) |
| Dimensions | 8.5”H x 5.5”W x 6”D |
| Drivers | 4” aluminum cone woofer, 4” long-throw passive radiator, 1” soft dome tweeter |
| Frequency Response | 56Hz - 20kHz (+/-3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Bluetooth (aptX HD), USB (24-bit/96kHz), Toslink Optical (24-bit/96kHz), 3.5mm Analog |
| Optical Input | Yes |
| Outputs | RCA subwoofer |
| RCA Input | No |
| Sensitivity | 88.5dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.07 |
| Spinorama Preference Score with Perfect Sub | 6.73 |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | Yes |
| Weight | 7.1 lbs (3.2 kg) each |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Vanatoo Transparent Zero Plus Review. More from Erin’s Audio Corner →
- Erin’s Audio Corner Website: Vanatoo Transparent Zero Plus
- Erin’s Audio Corner Measurements (spinorama.org)
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NHT Pro M-00: $498 per pair (used market; originally $249 each) Discontinued eBay
Pros: A sturdy metal enclosure, analog studio/consumer connections and selectable nearfield/farfield voicing give it practical features as an older powered monitor. Measured bass extension of 83.3Hz (-3dB).
Cons: The review identifies a pronounced upper-bass cancellation, treble peaks and problematic vertical response, and strongly prefers the JBL 305P MKII in direct listening. Discontinued.
Full NHT Pro M-00 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 75W RMS continuous, 150W peak (per speaker) |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 59.7Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 83.3Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| DSP | No |
| Dimensions | 9H x 5.7W x 7.3D in |
| Drivers | 1” ferrofluid-cooled fabric dome tweeter, 4.5” treated paper-cone woofer |
| Frequency Response | 98Hz - 20kHz (Manufacturer specified) |
| HDMI Input | No |
| Inputs | RCA, XLR/TRS |
| Optical Input | No |
| RCA Input | Yes |
| TRS Input | Yes |
| USB Input | No |
| Weight | 14 lbs (6.35 kg) each |
| XLR Input | Yes |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons