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Kronos AV
Kronos AV
JE Audio
JE Audio was found in Hong Kong on 2007 by John Lam. The company has a strong commitment to design and manufacture the finest quality audio electronics. Our dedication to lifelike reproduction of music has led to many technical innovations, awards and great reviews. We are proud to be different. We have our own idea about what is imperative and how things should be done. We are obsessive about details, and would go the extra mile to develop new audio amplifying topologies and to select the most suitable components for the applications.

JE Audio LS250 Hybrid Integrated Amplifier
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  • Regular price £4,449.00
  • Available Worldwide Shipping

IS250 is a fully balanced high performance stereo integrated amplifier. It contains a stereo solid-state power amplifier, a tube preamplifier and a 32-bit audio DAC. IS250 offers exceptional performance in terms of transparency, dynamic and extraordinary imaging capability at its price range.

The power amplifier employs a new power amplifier topology that comprises independent voltage amplifying stage and current amplifying stage. These two stages are optimized individually before they are put together to form the power amplifier. To improve current amplification, a patented buffer amplifier is used to implement the current amplifying stage. The IS250 delivers 250W to a 4W load per each channel.
The tube preamplifier employs all-tube pure Class-A single-stage fully balanced design. 12AU7 and 6922 vacuum tubes are used for signal amplification. No semiconductor device is located in signal path. Additionally, no global feedback is used so that the purity of the musical signals is preserved.

The audio DAC processes USB 2.0 signals up to 32-bit 384kHz sampling rate and takes DSD64 and DSD128 format. For SPDIF inputs, it performs up to 24-bit 192kHz sampling rate.

"I enjoyed the IS250 tremendously. You would be hard pressed to find a better value at this price point. The IS250 could be the core of a nice sounding small system and its line level outputs would easily accommodate a subwoofer or two. I also find that the JE Audio design aesthetic aligns well with my own. I am a big fan of fully balanced designs and see it as smart to use tubes and solid state, combining the magic of both in a superbly built product. This is another real winner for JE Audio." Will Wright of Positive Feedback Online. (Click here to read the full review.)


"Its warm, detailed, relaxing sound exceeded my expectations, and it was completely unfussy to use. JE’s first digital effort must be graded a complete success, and, unsurprisingly, its analog section continues their tradition of great sound. If you have a turntable, you’ll need an external phono preamp -- but you may have one already. The IS250, like the other JE Audio models we’ve auditioned, sounded really splendid. It would be a great addition to many systems." Vade Forrester of SoundStage. (Click here to read the full review.)



“A powerful analog amplifier with a modern DAC. JE Audio’s IS250 has skillfully combined traditional and modern technologies into a real amazing product, which is technically and musically convincing.” Philipp Schneckenburger of Hi Fi, Germany. (Click the icon to read the full review.)



A stereo integrated amplifier contains a solid- state power amplifier, a tube preamplifier and a 32-bit audio DAC.


    125W x 2 for 8W load
    250W x 2 for 4W load

    0.02% @ 10W,  8 ohm (1kHz)
    0.1% @ 125W, 8 ohm (1kHz)

    20Hz to 20kHz


    > 95dB


    6922 x 2 per channel

    0.05% (@ 2V/100k ohm load)

    > 90dB

    94k ohm (balanced input)
    47k ohm (single-ended input)


    Two sets of XLR analog input
    One set of RCA analog input
    One set of USB or SPDIF digital input

    One set of line level output (balanced)
    One set of preamp output (balanced)

3) DAC

    USB:  Up to 32-bit 384kHz sampling rate,
    DSD64 and DSD128 format

    SPDIF: up to 24-bit 192kHz sampling rate

    SPDIF: up to 24-bit 192kHz sampling rate

    0.005% (balanced output)

    > 115dB (balanced output)



    220 x 470 x 475mm (H x W x L)

    32kg / 70pounds     

We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

There has been no changes to deliveries with Brexit. All deliveries to the UK mainland, Northern Ireland and the Republic of Ireland are operating as normal. No VAT or charges are applicable. 

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!


Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

Why not ask and see how much you HiFi is worth!

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If you have any question, please feel free to call us on 03435236169 or email