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APS Aeon Active Studio Monitor Pair  From APS

Aeons are the monitors that put APS on the map! Designed for the decerning professional who needs a no-compromise, professional monitoring solution.


What We Think

I've never been a huge fan of two-way monitors that have an 8" woofer. I always have heard a pretty big disparity in the mid-range where the woofer is busy creating these giant low-freq waves that can muddle the mid-range accuracy. This is wholly not the case with the Aeons! These are true exceptions and bring mid-range accuracy to a two-way system that is unparallel. That is not to say these are light in the low-end because they are not! They reach deeply and deliver an un-hyped, accurate representation down to 30Hz.

APS Aeon Active Studio Monitor Pair Quick n' Dirty

In this video, Sound Pure Pro Audio Specialist Chuck Giardino reviews the APS Aeon Active Studio Monitor Pair.

  • Signal Chain
    • APS Aeon Active Studio Monitor Pair

Manufacturer's Description from APS

AEON is the first and most popular APS product to date. Designed for experienced users such as sound engineers, music producers and musicians, it has proven to be a very valuable tool, thanks to its balanced, dynamic and detailed sound that cuts through your mix with razor accuracy. Perfect sidekick for all near/mid-field monitoring work - a concept that has since its appearance become the dominant trend.
AEON takes full advantage of our extended experience in speaker design and workmanship. It has some interesting features such as the unique bass controller. In most speakers, this electronic extension of the lower range is hard wired. Here the user has the option to bypass it to obtain a slightly faster bass response, ideal for use with a sub-woofer such as the SUB15.
AEON monitor is an active 2-way appliance equipped with two speakers (tweeter and woofer) and two independent power amplifiers for each speaker, fixed on the back plate of the monitor enclosure, as well as with an appropriate set of precise regulators, signalizes, inputs and security devices.
The monitor construction is based on speakers produced by a Norwegian company SEAS. The woofer meets the APS strict requirements. The monitors are offered in two versions: with a titanium or a fabric dome tweeter.
The monitor has been closed in the bass reflex enclosure with front ventilation, providing a dynamic bass properly filled with low frequencies. The edges of the monitor enclosure have been rounded to reduce reflections and to improve the quality of produced sound. The inner wall of the enclosure that completely separates the electronic module from the speaker chamber constitutes at the same time a significant reinforcement of the enclosure eliminating excessive oscillations of the monitor enclosure side walls.
All our speakers are available in any color matt or polished versions. We can customize the speaker to any finish available on the market based on client's request. Please contact us if you need more details or to discuss individual finish.

About Manufacturer

‘Sound like never before’ – At APS we aim at excelling beyond the standards with our range of products. We are manufacturers of studio sound production devices that are designed to render thorough professional recording. In our endeavour we have combined passion, technology, and performance to create our unparalleled range of products.

Each stage of the manufacturing activity is executed and monitored in-house which gives us unique advantage and total control over the process. With a team of sound engineers at helm APS has speed past competition with innovative and advance models. Our current product range includes a complete studio monitoring system.

To our advantage we have both experience and technology in producing high-end sound systems. We further enhance our abilities by continuously investing in research and development. Need to learn more about our products, please feel free to drop us a line.

APS is very flexible in terms of custom finishes and even custom cabinets. We can rotate logos, change logo LED colours, do basically any colour, and have a large selection of wood veneers. All of these changes do have varying prices, and time frames so if you are working with a client that is wanting custom options, please feel free to reach out to me and we can work it out case by case. 
The APS Klasik is one of the newer offerings from APS, where they set out to build an excellent monitor at a reasonable price. They have stated they have no plans to build anything cheaper, as it would wind up compromising quality to do so. Most of the work into it was in the cabinet tuning and the crossover circuit. These are a great option for home studios, and if someone needs something more portable. Having RCA inputs as well allows you to even run an unbalanced input straight from your phone with a Y cable. The Klasiks are also available to order in a Hi-Fi version at the same price, with a standby power mode and front mesh to protect the drivers. 
The original APS monitor, which is significantly larger than the Klasik, even though the bass driver is only 1" larger. It is more designed as a mid-nearfield, and as such we do suggest a greater listening distance of 3' and up ideally. Being more room sensitive as well than the Klasiks, this is more geared towards advanced home studios, or professional facilities. Translation on these has frequently been commented on as being effortless. The vast majority of Aeons we supply are with the Fabric dome tweeter installed, and in most rooms, they work best with the tweeter rolled back ~1.5db. With the bass extension by-passable on these just like on the Klasiks, you can have a faster mid-range response, at the expense of less low end extension. These do not require a sub unless you are working in a large control room (suggest 500sqft and up). Even then, if you have them positioned properly, it would be best to take it as a case by case basis.
Some reviews online have put the Klasiks as above the Aeons, but in every single demo I have done having them both properly set up and tuned to the room side by side, the Aeons win hands down. A lot of it is just that the Klasiks are more room forgiving, and don't require the attention to setup to the level of the Aeons. 
These are more of a specialty item, for clients looking for massive and detailed stereo fields. They were designed for imaging, and are not as flat as the other monitors from the line. In smaller studios they do work well by themselves for acoustic work, however in most cases, we do pair them with a subwoofer. These are the only sealed cabinet of the monitors from APS at this time, and as such do not have the same low end punch the other models have.
These monitors are designed for larger studios, and really offer an exceptional all around performer. They have a massive stereo field, exceptional detail, and are very smooth and full. They offer essentially three monitors in one with their different modes, accessible via switches on the back panel. You can run them as a Three-Way, woofer bypassed (standard 2-way) or midrange direct (mixcube style). Even in fairly large studios these will seldom require a sub to be even considered. Although they can be used as near-fields, we suggest them being at a mid to far-field position to be able to really hear them properly. and get the best from them. Keep in mind these are LARGE, being 2 feet x 2 feet x 1 foot, and over 80lbs each. These can be ordered in either a vertical or horizontal configuration, or even as floor-standing tower speakers. 
Versatile sub, designed to be very clean, and low distortion. Variable LPF to allow for matching with many different monitors. Precise level tuning and phase reverse to allow proper setup. 
Designed more so as a low frequency extension of monitors, to make them resemble large mains rather than smaller monitors + sub. Exceptionally smooth and balanced. We do not stock these, as they are special order only. 



  • TypeActive – two power amplifiers
  • Tweeter: monolithic integrated circuit TDA7294
  • Woofer: Woofer p.a.: operates on 2SA1943/2SC5200


  • Crossover Frequency1.5 kHz (slope: 24 dB/octave)
  • DimensionsHeight x Width x Depth
  • 42 cm x 27 cm x 36 cm / 16.6" x 10.5" x 14"
  • Free Field Frequency Response±2 dB: 30 Hz - 30 kHz
  • SPL in Free Field @ 1mRMS: 108 dB (single)
  • Peak: 116 dB (pair)
  • Weight18 kg / 39.6 lbs


  • Bass/Mid-Range LoudspeakerØ 22 cm / 8" 
  • Diaphragm: cellulose, surround: rubber 
  • Magnetically Shielded
  • Tweeter loudspeakerØ 2.5 cm / 1" in two versions:
  • Titanium dome 
  • Fabric dome
  • Magnetically Shielded


  • Bass/Mid-Range Power Amplifier150 W RMS @ 4Ω
  • Tweeter Power Amplifier70 W RMS @ 6Ω
  • Total Harmonic Distortions0.005 % – PO = 5 W, f = 1 kHz
  • 0.1 % max – PO = 0.1 up to 50 W, f = 20 Hz up to 20 kHz
  • Signal to Noise Ratio103.5 dB – weighted by A curve 
  • 101 dB – in band of 20 Hz up to 20 kHz
  • Input Voltage Level for 100 dB SPL in Free Field @ 1m0 dBu (i.e. 0.775 V) – calibrated regulators in 0 dBu, 0 dB positions


  • Input Sensitivity Switch30dBu, 22dBu, 15dBu, 9dBu, 4dBu, 0dBu, -3dBu, -10dBV
  • Bass Controller Level Switch-15dB, -12dB, -9dB, -6dB, -3dB, 0dB, 3dB, 6dB
  • Bass Controller SwitchPosition ON: bass-reflex with active filter
  • Position OFF: "clear" quick bass-reflex
  • Tweeter Loudspeaker Level Switch-5dB, -3dB, -1.5dB, -0.5dB, 0dB, 0.5dB, 1.5dB, 3dB


  • InputTwo Types (common socket Combo):
  • XLR symmetrical (balanced)
  • TRS symmetrical (balanced) 6.3 mm
  • Input Impedance 10 kΩ
  • „Loop Through” OutputXLR symmetrical 
  • Output Impedance 100Ω


  • Tweeter Loudspeaker ProtectionLimiter (optical)
  • Bass/Mid-Range Loudspeaker ProtectionLimiter (optical)
  • Power Amplifiers Protections
  • Interference, thermal, short circuit and over-current limiters