Epos K1i


Bookshelf Speakers

The original K1 was first introduced in 2014 and was very well received by the press and public alike. It won the award for Best Speaker two years running in Absolute Sound magazine. However, time and technology moves-on so Epos has now ‘improved’ the K1i.

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Epos K1i Bookshelf Speakers

The original K1 was first introduced in 2014 and was very well received by the press and public alike. In addition to many other accolades, it won the award for Best Speaker two years running in Absolute Sound magazine. However, time and technology moves-on so Epos has now ‘improved’ this excellent bookshelf speaker with the Epos K1i Bookshelf Speakers.

Improvements and changes include:

  • Closer tolerance tweeter selection for more accurate left-right performance.
  • Strengthened internal bracing for lower cabinet coloration.
  • Improved internal damping for better low-frequency control.
  • Improved crossover design for more accurate frequency response.
  • High-quality FR4, 2oz (2.74 mills), double-sided PCB for lower resistance connections between crossover components.
  • Epos branded polypropylene capacitors for improved sonic performance.
  • High-wattage metal-oxide resistors for low inductance and improved sonic performance.
  • Custom Epos internal wiring for improved sonic performance.
  • New magnetic grille with diamond polished Epos logo badge supplied as standard.
  • In addition to the black and white painted finish epos has introduced a limited edition walnut real-wood finish.


The initial concept started out with a thought about how to take conventional cabinet loudspeakers into a new area of the market. This spawned the idea of how to make a loudspeaker the hub, or central place, for your Hi-Fi system. This concept had to be achieved whilst preserving Epos’ high-end roots.

The K-Series has a number of unique design features that enables it to achieve its design goal. These features include: stylish looks, High-Velocity Slot Ports (HVSP), rear-mounted drivers, detachable rear baffles and upgradability to fully powered active mode. The K-Series is much more than just another box loudspeaker, it is ‘probably’ the future!


Design Details

The K-Series cabinet design is constructed from 15mm MDF and includes some very clever internal bracing to minimise cabinet coloration. The K-Series sees the introduction of a new front firing slot port technology. This slot port was designed for two especial reasons.

Firstly, it allows a high volume of air to pass without introducing any nasty audible effects such as chuffing, unlike some conventional tube ports. Secondly, the slot port has enabled Epos to achieve incredibly low-frequency response performance from a relatively small driver area.

One of the key design factors included in the K-Series is the ability to upgrade into an ‘active digital’ speaker. The rear panel and passive crossover are designed to be removed and replaced with our own Active-K module.

The K-Series is available in two elegant silk White or Black finishes with an optional grille being available. Both finish options give you a wonderfully luxurious look and feel to these loudspeakers.


Using virtual performance CAD simulation tools, Epos has achieved very high performance, and a clean, open yet smooth sound quality from this tweeter.

The tweeter has a low resonance frequency, high sensitivity and extended high frequency response. With a 25mm fabric-dome, short horn, high-temperature ferro-fluid cooled voice-coil, and neodymium magnet, it is capable of high output levels for extended periods without degradation to sound quality.

Mid-Bass Driver

The Epos K1i bookshelf speakers mid-bass drivers produces an even frequency response and smooth roll-off.

The Epos 150mm mid-bass driver has a high-quality polypropylene cone and a bullet-shaped dust cap. These components form a stiff, yet pliable, well-damped structure which retains its shape even under high power loading.

The Epos K1i mid-bass drivers also benefit from a bucking-magnet system, ensuring all the magnetic force is concentrated around the voice-coil, allowing for low distortion and high efficiency.


In true Epos tradition; the K-series has reverted to a more simplistic passive crossover topology, for which the brand is synonymous.

A first order crossover is used to allow the Epos tweeter to have a wide dynamic range with super low distortion. The mid-bass crossover uses a 2nd order filter ensuring the K1i is an easy load for any amplifier.



Additional information

Weight 26.45 lbs
Dimensions 8.9 × 7.28 × 11.81 in

Black, White


Power Handling
100 Watts unclipped speech and music

Frequency Range
51 Hz – 30 kHz

4 Ohm nominal

88dB / 2.83V@1m

Epos 25mm soft dome with high-temperature voice coil, ferrofluid cooling and neodymium magnet system.

Bass/Midrange Driver
x1 150mm Epos mid bass drivers, with 25mm high-temperature voice coil and polypropylene cone.

Internal wiring
18 AWG stranded oxygen free copper cable.

Painted White or Black

The K1 has an optional Snap-on grille.

185 x 226 x 295 mm (W x D x H)

5.5 kg per single speaker
12 kg per packed pair
Packaged two speakers per carton.


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