Short answer: the IK Multimedia iLoud MTM MKII for better sound quality, the Neumi BS5P-ARC for the lower price. The IK Multimedia iLoud MTM MKII ranks #20 of 64 powered bookshelf speakers at $799.99. The Neumi BS5P-ARC ranks #61 at $219.99, $580 cheaper.
What the IK Multimedia iLoud MTM MKII offers: Compact MTM layout (two 3.5” midwoofers flanking a 1” tweeter) powered monitor rated at 100W per speaker with XLR input, sold as a pair with an ARC room-correction microphone included. Well-suited to nearfield desktop use, with linearity good enough for mixing or mastering. The bundled auto room-correction mic is genuinely effective - in testing it resolved specific room resonance peaks around 150Hz and 220Hz, making the midrange sound noticeably more lifelike. Back-panel switches allow desktop vs. free-field placement plus treble and bass trim. Harmonic distortion is good at a moderate 86dB output, appropriate for a speaker of this size. Watch for: Native treble tuning still runs about 3dB hot on-axis; the back-panel -3dB treble switch overcorrects, and roughly -1.5dB via external EQ works better. Vertical MTM lobing means staying within about 20-25° of the tweeter axis, or the upper-midrange to treble transition suffers significant suckout - the speaker should never be laid on its side unless the tweeter is pointed directly at the listener, or comb filtering results. Bass falls off sharply below its F3 of 51Hz (F10 45Hz), so a subwoofer is needed for anything lower. Multitone distortion rises sharply at 96dB/1m, and the reviewer recommends not exceeding about 86dB for extended listening at any distance - broadband output for the pair tops out around 94dB at 1 meter, with dynamic range essentially collapsing approaching 102dB. Horizontal directivity narrows with frequency rather than staying constant. Adding a subwoofer with an 80Hz crossover doesn’t meaningfully improve the distortion headroom, even though it does extend the low end.
What the Neumi BS5P-ARC offers: Adds an HDMI ARC input over Neumi’s standard BS5P, plus USB-C, optical and coaxial digital inputs, useful as a simple TV soundbar alternative. Watch for: Erin’s Audio Corner measured a rough response: on-axis deviation of 0.617dB, on-axis smoothness of just 0.167, and a mild +0.08dB per octave upward tilt, with predicted in-room smoothness of just 0.26. A -3dB point of 112.8Hz and a Harman in-room extension estimate of just 79Hz mean very little real bass extension without a subwoofer.
Buy the IK Multimedia iLoud MTM MKII if sound quality matters more than the price. Buy the Neumi BS5P-ARC if the price matters more than sound quality.
If sound quality matters at all to you, skip the Neumi BS5P-ARC. It ranks near the bottom of the 64 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| IK Multimedia iLoud MTM MKII | Neumi BS5P-ARC | |
|---|---|---|
| Price | $799.99 | $219.99 |
| Ranked | #20 of 64 in Medium Size Powered Bookshelf Speakers | #61 of 64 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 10.4"H x 5.1"W x 6.3"D (264.2 x 129.5 x 160 mm) | 10.6H x 7.2W x 8.5D in each |
| Frequency Response | 48 Hz - 28 kHz (±2dB) (Manufacturer specified) | - |
| Bass Extension (-3dB) | 52.7Hz (measured, Erin’s Audio Corner) | - |
| Bass Extension (-10dB) | 46.3Hz (measured, Erin’s Audio Corner) | - |
| Inputs | XLR | HDMI ARC, Bluetooth, USB-C, optical, coaxial, RCA analog |
| Drivers | 2x 3.5" (89mm) woofers, 1" silk dome tweeter | 1" silk dome tweeter with integrated waveguide, 5" poly-cone woofer |
| App | Yes (X-MONITOR speaker emulation) | - |
| Bluetooth | No | - |
| EQ | Yes (Room adjustment) | - |
| Output Power | 100w Per Speaker | - |
| Weight | 5.5 lbs / 2.5 kg (5.5 lbs) each | - |
| Max SPL | 112.5dB peak | - |
| Enclosure | - | 2-way active |
| Power Output | - | 75W total (37.5W per channel) |
| Country | - | China |
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Prices on this page were last checked August 25, 2026 at 6:19 AM 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
IK Multimedia iLoud MTM MKII: $799.99 Amazon eBay
Pros: Compact MTM layout (two 3.5” midwoofers flanking a 1” tweeter) powered monitor rated at 100W per speaker with XLR input, sold as a pair with an ARC room-correction microphone included. Well-suited to nearfield desktop use, with linearity good enough for mixing or mastering. The bundled auto room-correction mic is genuinely effective - in testing it resolved specific room resonance peaks around 150Hz and 220Hz, making the midrange sound noticeably more lifelike. Back-panel switches allow desktop vs. free-field placement plus treble and bass trim. Harmonic distortion is good at a moderate 86dB output, appropriate for a speaker of this size.
Cons: Native treble tuning still runs about 3dB hot on-axis; the back-panel -3dB treble switch overcorrects, and roughly -1.5dB via external EQ works better. Vertical MTM lobing means staying within about 20-25° of the tweeter axis, or the upper-midrange to treble transition suffers significant suckout - the speaker should never be laid on its side unless the tweeter is pointed directly at the listener, or comb filtering results. Bass falls off sharply below its F3 of 51Hz (F10 45Hz), so a subwoofer is needed for anything lower. Multitone distortion rises sharply at 96dB/1m, and the reviewer recommends not exceeding about 86dB for extended listening at any distance - broadband output for the pair tops out around 94dB at 1 meter, with dynamic range essentially collapsing approaching 102dB. Horizontal directivity narrows with frequency rather than staying constant. Adding a subwoofer with an 80Hz crossover doesn’t meaningfully improve the distortion headroom, even though it does extend the low end.
Full IK Multimedia iLoud MTM MKII review and specifications →
| App | Yes (X-MONITOR speaker emulation) |
|---|---|
| Bass Extension (-10dB) | 46.3Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 52.7Hz (measured, Erin's Audio Corner) |
| Bluetooth | No |
| Dimensions | 10.4"H x 5.1"W x 6.3"D (264.2 x 129.5 x 160 mm) |
| Drivers | 2x 3.5" (89mm) woofers, 1" silk dome tweeter |
| EQ | Yes (Room adjustment) |
| Frequency Response | 48 Hz - 28 kHz (±2dB) (Manufacturer specified) |
| Inputs | XLR |
| Max SPL | 112.5dB peak |
| Output Power | 100w Per Speaker |
| Weight | 5.5 lbs / 2.5 kg (5.5 lbs) each |
- Links
- Reviews, Comparisons and Sound Samples
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Neumi BS5P-ARC: $219.99 Amazon eBay
Pros: Adds an HDMI ARC input over Neumi’s standard BS5P, plus USB-C, optical and coaxial digital inputs, useful as a simple TV soundbar alternative.
Cons: Erin’s Audio Corner measured a rough response: on-axis deviation of 0.617dB, on-axis smoothness of just 0.167, and a mild +0.08dB per octave upward tilt, with predicted in-room smoothness of just 0.26. A -3dB point of 112.8Hz and a Harman in-room extension estimate of just 79Hz mean very little real bass extension without a subwoofer.
Full Neumi BS5P-ARC review and specifications →
| Country | China |
|---|---|
| Dimensions | 10.6H x 7.2W x 8.5D in each |
| Drivers | 1" silk dome tweeter with integrated waveguide, 5" poly-cone woofer |
| Enclosure | 2-way active |
| Inputs | HDMI ARC, Bluetooth, USB-C, optical, coaxial, RCA analog |
| Power Output | 75W total (37.5W per channel) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons