IsoAcoustics Aperta 200 / Iso-200 Speaker Stands Review

Are you a bookshelf speaker user? Then this review of the IsoAcoustics Aperta 200 and Iso-200 speaker stands is written just for you.

To cut to the chase, whether it’s the Aperta 200 or the Iso-200, both are “essential equipment” for bookshelf speakers. If you want to improve the clarity of the mid and low frequencies, they are effective immediately. After hearing the difference, I decided to purchase the Aperta 200 for use in the editorial office. That’s how effective IsoAcoustics is.

“Essential Equipment” for Kali In-5

Actually, I had already used IsoAcoustics products when Editor-in-Chief Lin Zhiyu wrote a review of the IsoAcoustics Orea footers not long ago. I originally wanted to keep the Orea, but when discussing load-bearing applications, the editorial team had differing opinions on which model to choose. The simplest approach would have been to keep them all, for convenience when matching with different equipment. However, there were too many things we wanted to buy, and decisions required consensus, so we temporarily let go of a large box of Orea and sent it back home.

[Image: Left – IsoAcoustics Aperta 200; Right – IsoAcoustics ISO-200]

But the Aperta 200 and Iso-200 are different. Because the editorial department has already purchased Kali In-5 monitor speakers, borrowing these two IsoAcoustics stands suitable for the In-5 almost sealed the deal. We planned to choose one of the two to keep and use with the In-5.

Professional Stands for Correct Speaker Height

When it comes to using stands with bookshelf speakers, most people think of traditional speaker stands. However, the Aperta 200 and Iso-200 are not traditional speaker stands, but rather stands designed to elevate bookshelf speakers. Take the studio professional Iso-200 as an example; it can be placed on a recording workstation to raise the speakers and adjust them to the correct soundstage height.

The question is, what constitutes the correct soundstage height? For near-field listening, aiming the mid-bass driver at eye level, with the tweeter slightly higher, is a common placement method. However, some argue for aligning the tweeter with eye level. This issue may also be related to speaker design, but to my knowledge, the more common approach is to align the mid-bass driver with eye level, positioning the tweeter slightly above ear level.

By this standard, if you are using a recording workstation (DAW) on a desktop, most bookshelf speakers are not tall enough. They need to be raised with suitable stands. The Aperta 200 and Iso-200 are designed to meet this need.

[Image: IsoAcoustics ISO-200]

Originating from the Professional Market

IsoAcoustics was founded in 2012. Their first product, the Iso-L8R155, debuted at the Winter NAMM Show that year. With reasonable prices and professional technology, they quickly penetrated the professional recording studio market. Furthermore, founder Dave Morrison’s twenty years of experience at CBC (Canadian Broadcasting Corporation) gave him an understanding of the professional market’s needs. Coupled with instrument testing at the NRC (National Research Council Canada) in Ottawa, using data to convince the professional recording industry, these were all part of IsoAcoustics’ success formula.

The Aperta 200 and Iso-200 can be considered updated versions of IsoAcoustics’ founding work. The Iso-200 is the studio version, while the Aperta 200 is the home version. The vibration isolation technology applied within is the same, but the applications are slightly different. The Iso-200 offers more versatility, with adjustable angles and two height settings. The Aperta 200 is relatively simpler, with adjustable angles but only one height setting.

After all, the markets are different. Recording studios require greater placement flexibility, while home audio emphasizes aesthetics more. Simply put, if you see IsoAcoustics products with a black base, they are likely studio versions. If they feature more refined metalwork and color schemes, they are home versions. The technology is the same, but the emphasis on appearance differs.

[Image: IsoAcoustics Aperta 200]

Patented Isolation Technology

IsoAcoustics’ weapon of choice is their patented vibration isolation technology. Measured with professional instruments at the NRC laboratory in Canada, the image-based vibration suppression effect scientifically proves the effectiveness of IsoAcoustics’ isolation technology.

Unlike common hard material spikes for isolation, the footers of the Aperta 200 and Iso-200 are all made of soft damping material and are cylindrical in shape, with concave tops and bottoms. When you place speakers on the Aperta 200 and Iso-200, the weight of the speakers creates a suction cup-like effect on the contact surface, making the speaker placement more stable and better adhering to the supporting surface.

Seeing the soft damping isolation material, my first question was whether it would harden over time. This question cannot be answered without long-term use. So I asked Fully Inspired (the distributor), and they said they have not seen any cases of hardening. Moreover, IsoAcoustics has been selling well in the professional recording market for many years. If there were any major issues, they would have surfaced long ago. So, theoretically, there should be no need to worry about the soft footers hardening.

Addressing Pain Points of Near-Field Listening

I believe IsoAcoustics’ ability to open up the recording studio market is due to addressing the pain points of near-field listening.

When bookshelf monitor speakers are placed next to a DAW, it’s usually necessary to adjust the angle, tilting the speakers slightly backward. Common accessories include wedge-shaped pads cut from rigid foam. However, these cannot solve the problem of the speaker base being in direct contact with the desktop. Although they can solve the problem of speaker tilt, the resonance generated by the contact between the speaker cabinet bottom and the desktop cannot be resolved.

IsoAcoustics’ design employs a dual-layer base, raising the speakers and allowing for tilt adjustment. This way, the speaker only contacts the four soft isolation footers, significantly reducing the contact area between the speaker and the desktop. At the same time, the soft damping material blocks the speaker’s vibrations from being transmitted to the desktop and reduces desktop vibrations from being transmitted back to the speaker.

Verify Stand Elevation with Coins

What problems arise when the bottom of a speaker is in contact with a large surface desktop (or speaker stand)? Resonance! Bookshelf speakers have six surfaces in total, but only the bottom has a large contact area. Simply raising the speaker can solve the bottom resonance problem. The effect is cleaner and tighter bass.

Actually, you don’t necessarily need Aperta 200 and Iso-200 to prove the effect of raising speakers. If your bookshelf speakers are currently placed on a desktop for near-field listening, or on speaker stands, you can find some coins (like pennies or nickels), stack a few, and use them as speaker feet to raise the speakers 1-2 cm from the desktop (or speaker stand). You will immediately notice the effect. I guarantee this is the cheapest experiment to verify the effect of speaker stands.

Hollow Base Avoids Energy Accumulation

So, using Aperta 200 and Iso-200 to raise speakers can bring positive effects to the sound. This is not a secret. However, IsoAcoustics’ soft damping material is the secret; they have patented technology.

Furthermore, the shape of the dual-layer base seems to have a hidden design. The hollow base can prevent energy accumulation while maintaining sufficient rigidity. The home version Aperta 200 is made of CNC machined metal, while the Iso-200 is made of engineered plastic.

Why this difference in materials? I think Iso-200 is designed for the professional market, where price competitiveness is more important, so it uses molding. Aperta 200, for home use, aims for better appearance and texture, with silver and black color options, so it uses CNC machined metal.

From a production perspective, mold costs are actually higher and require sufficient volume to amortize, making it cheaper than CNC machined metal per unit. This suggests that IsoAcoustics’ professional version may sell in much larger quantities than the home version.

[Image: Aperta 200 using CNC machined metal]

Placement on Ordinary Furniture Desktops Has the Biggest Negative Impact

When I was listening to the Kali In-5 monitor speakers, they were originally placed on an IKEA combination desk used for photography. However, the desktop resonance was significant, and the bass was plentiful but muddy. Adding Orea footers improved the situation somewhat, but I could still feel the In-5 resonating with the desktop when listening to music. I could feel the vibrations by placing my hand on the desk. However, when I used Aperta 200 and Iso-200 in the same way, I could still feel subtle vibrations, but the effect was better than the Orea footers.

But why couldn’t Aperta 200 and Iso-200 completely solve the problem? Because the IKEA desktop was too large. With such a large vibration area, it’s difficult to completely eliminate resonance; you can only minimize it.

However, when I placed the Aperta 200 and Iso-200 on speaker stands, the height of the In-5 became more suitable for near-field listening, and the effect was even better than placing them on the desktop. After all, the resonance of speaker stands is much smaller than a large desktop, making the effects of Aperta 200 and Iso-200 more noticeable.

Most Obvious Improvement in Bass Quality

The most obvious improvement is the quality enhancement in bass. If speaker resonance with the desktop or stands is not improved, the bass easily becomes muddy and the sense of speed slows down. For albums featuring bass virtuosos like Marcus Miller, the impact of the bass will be greatly reduced, and the music’s vitality will become listless. These are the negative impacts of desktop resonance. If your bookshelf speakers are placed on a large desktop, or, for convenience, on a low cabinet, whether it’s Aperta 200 or Iso-200, using them will definitely have an immediate effect.

[Image: Iso-200 using engineered plastic]

As for whether there is a difference in sound quality between Aperta 200 and Iso-200? After repeated comparisons, I actually think they are about the same. The key vibration isolation technology is the same for both; only the materials are slightly different, and the emphasis on appearance varies. If you don’t find the black appearance of the Iso-200 a bit boring, I think the effect is about the same as Aperta 200. But why did the editorial department choose the more expensive Aperta 200? You probably already know the answer: it’s prettier. But judging by sound alone, I think Iso-200 is just as effective and saves you money.

A Perfect Match

Pairing the Kali In-5 with Aperta 200 is a perfect match. I call them “essential equipment” for bookshelf speakers, meaning that once you hear the effect of bookshelf speakers with Aperta 200, you might be immediately tempted to buy them. The first reason is that Aperta 200’s effect on improving bass quality is very obvious, and it simultaneously enhances the transparency and openness of the midrange and treble. The second reason is that the prices of Aperta 200 and Iso-200 are very attractive. In an era of rapidly inflating audio prices, there are not many products as good and affordable as IsoAcoustics. The effect is obvious, and the price is appealing, how can you not be tempted?

You see, I immediately fell for it. Whether it’s Aperta 200 or Iso-200, once the In-5s are placed on them, I plan to use them as a set from now on. And the base area ratio is just right; the In-5s sit on them securely. I won’t separate them anymore.

Soundstage and Spatial Sense Improve

To test the capabilities of Aperta 200 and Iso-200, choosing music with good soundstage and spatial performance is clearest. For example, “Jazz at the Pawnshop” with its lively pub atmosphere. If the soundstage lacks transparency, the instruments will sound crowded together, reducing the listening pleasure. Before adding Aperta 200, I had already set up the In-5s in a near-field listening position with a perfect equilateral triangle setup. I thought Aperta 200 would improve things a little, but the overall improvement exceeded my expectations. Not only did the bass speed become more agile, but the transparency of the mid-high frequencies also improved simultaneously. I often tell my friends that bass is the most expensive part of audio. As long as the bass is handled well, the mid-high frequencies naturally follow suit. Whether it’s Aperta 200 or Iso-200, they both offer this kind of immediate overall improvement.

Another example is the Mozart Double Piano Concertos performed by Previn and Lupu. Originally, when I listened with just the In-5s, the soundstage depiction was already beautiful enough, with two pianos positioned on the left and right, bringing out the listening pleasure of instrumental changes. But after adding Aperta 200 or Iso-200, the openness of the soundstage improved even more. Height, width, and depth all increased together. Especially when the brass section enters during the ensemble, the images emerging from the back of the soundstage, depicting the live recording venue of the concert hall, become more vivid. And the bass lines become cleaner, increasing the contrast between different sections, making listening even more engaging.

Easily Solve Speaker Bottom Resonance Issues

Writing this review of Aperta 200 and Iso-200 feels almost like a boast, telling everyone that I bought Aperta 200, but let go of Iso-200. It’s not because the effect is worse; in fact, the effects of the two are almost the same. But I don’t need the height adjustment options, so I chose the prettier Aperta 200. If you want to save budget, the effect of Iso-200 is not inferior to Aperta 200.

If you are a bookshelf speaker user and are troubled by bass resonance, unable to find the ideal fast and beautiful bass, try Aperta 200 and Iso-200. Both should solve your problems.

Specifications

* **IsoAcoustics Aperta 200**
* Type: Isolation Stands
* Tilt Angle: Up to 6.5 degrees
* Weight Limit: 27.2 kg (60 lbs)
* Dimensions: 200 × 255 × 90 mm

* **IsoAcoustics Iso-200**
* Type: Isolation Stands
* Tilt Angle: Up to 6.5 degrees
* Weight Limit: 27 kg (60 lbs) (215mm height setting), 34 kg (75 lbs) (95mm low setting)