STEG K2.03 2-channel competition amplifier
SKU: 24140663429

STEG K2.03 2-channel competition amplifier

Sale price$262.12 Regular price$291.25
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Description

STEG K2.03 2-channel competition amplifierThe legendary STEG K series amplifiers are back! All made in Italy, they're as good as they always have been. Competition level stuff, as solid as ever. Super advanced monitoring options, audiophile crossover modules for the OCD type people. Fantastic value for money if you value uncompromised SQ. The K2. 03 is the 2nd most powerful 2 channel amplifier in the K series, capable of 2x875W at 1 Ohm load stable, 1x1750W bridged at 2 Ohms or 3500W at 4

The legendary STEG K-series amplifiers are back! All made in Italy, they're as good as they always have been. Competition level stuff, as solid as ever. Super advanced monitoring options, audiophile crossover modules for the OCD type people. Fantastic value for money if you value uncompromised SQ.

The K2.03 is the 2nd most powerful 2-channel amplifier in the K-series, capable of 2x875W at 1 Ohm load stable, 1x1750W bridged at 2 Ohms or 3500W at 4 Ohms strapped in serial power mode with a 2nd amp. Thats almost 2kW of clean AB power at 0.03% THD in a single amp. And there's even one more step up from this monster in the K2 lineup, which is insane in its own right. It comes with all bells and whistles of the K-series amplifiers - inaudible active cooling, AQXM2 crossover modules, remote PC management, internal ground lift noise suppression systems, regulated power supply and so on.

Manufacturer provided specs:

  • Power supply voltage range: 10-16V DC (regulated)
  • Output power RMS @ 4 Ohm, 10-16V: 245W x 2 @0.03% THD or 255W x 2 at 1% THD
  • Output power RMS @ 2 Ohm, 10-16V: 470W x 2 @0.03% THD
  • Output power RMS @ 1 Ohm, 10-16V: 875W x 2 @0.03% THD
  • Output power RMS @ 4 Ohm bridged, 10-16V: 940W x 1 @0.03% THD
  • Output power RMS @ 2 Ohm bridged, 10-16V: 1750W x 1 @0.03% THD
  • Output power RMS @ 4 Ohm SERIALPOWER, 10-16V: 3500W x 1 @0.03% THD
  • DIM @ 90% nom. power 10 - 22 000Hz: 0.005% @ 4 Ohm
  • S/N ratio A-weighted @ 90% nom. power 10 - 22 000Hz: 108dB
  • Damping factor: >1000
  • Frequency response -3dB tolerance: 5 - 180 000 Hz
  • Input impedance: 10 kOhm
  • Input: 2x RCA with bypass output 2x RCA
  • Input sensitivity: 500mV-6V
  • Power on options: 12V remote
  • Crossover options: internal HP/LP up to 24dB/oct or external AXQM2 modules
  • Internal low pass filter options: 50Hz-250Hz @ 12dB/Oct (24dB/oct in Mono mode)
  • Internal high pass filter options: 50Hz-250Hz with selectable Q-factor 0.7-1.2
  • External fuse required: 125A
  • Dimensions: 500x232x56 mm
  • Weight: 5.5 kg

What's included:

  • 1x Amplifier
  • 1x Instructions
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 24140663429

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Robin J
Lowell, US
★★★★★ 5
Terrific product
Color: A1-Red
I adopted a 2 year old cat - she’s not much for a lot of the toys I have purchased for her, until this one! At first she seemed very cautious with it - but still followed it around - once I slowed it down (a few different options) she loves to play with it! Great purchase very pleased with it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
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Verified Purchase
Shayla Shepherd
West Palm Beach, US
★★★★★ 5
Fun & Fast moving toy for my cats!
Color: A1-Red
This is such a fun little toy to keep my cats entertained. They were definitely weary about it for the first few days, but started to get used to it and play with it after a bit. I wish there was an even slower option because the slow option is still pretty fast, but at least it gets them up and moving. They will even play with the tail part when it's not turned on. Like others have said, it does collect hair pretty easily, but it's very easy to clean off. I don't have any dogs, but I could see smaller dogs loving this as well!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
J
Verified Purchase
Jacqueline M. Miller
Lexington, US
★★★★★ 2
That it’s usable for more than one day
Color: A3-Pink, Color: A3-Pink
The toy itself is great and my puppy enjoyed it. My problem is that it didn’t come with a charging cord and none of mine fit. It never changed colors. Maybe if I had a charger cord it would be worth it, but right now it’s useless!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
T
Verified Purchase
Tinkerbell
Phoenix, US
★★★★★ 3
Fun for Fido but flimsy
Color: A2-Blue
My 15 yearold mini Schnauzer, Sam, played with this for less than 1 hour and tore the rubber sleeve off it. I will say the toy itself is a genius idea. Sam was absolutely ensconced. I wish it were made sturdier.
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Reviewed in the United States on January 24, 2026
S
Verified Purchase
sheila b.
Natrona Heights, US
★★★★★ 4
It does exactly what they say it does! Worth the money
Color: A1-Red
It arrived quickly. It’s a fun toy! It’s the right size for cats. Definitely worth the money. It is exactly as described. So far, the quality seems very good and it seems durable. The instructions are on the side of the box, which makes learning how to operate it easy. I love it that it’s red, because my kitty seems to be attracted to red. My kitty is very interested in it, yet isn’t quite sure what to think of it. I love that it changes directions on its own so that it doesn’t get stuck or lost under furniture, which is typical for a ball that cats play with. It seems to only go two, three or four feet in one direction and then it changes directions, which is both good and bad. I just wish it would go farther in one direction before changing directions so that my kitty could chase it farther, as we have plenty of space in our house for her to run. But that certainly could be a plus for other cats, enjoying not knowing where the ball is going to go next and really keep them on their toes.
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Reviewed in the United States on January 20, 2026

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