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:
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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]
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SKU: 24140663429

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Dawn Tibbetts
Natrona Heights, US
★★★★★ 5
Hard to Destroy
Style: Bunny
My puppy hasn’t been able to destroy it yet. All other toys have only lasted about 10 minutes.
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Reviewed in the United States on April 27, 2026
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Port Orchard, US
★★★★★ 1
Torn to shreds by a puppy.
Style: Bunny
Torn to shreds by a puppy.
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JLF
Houston, US
★★★★★ 5
Favorite fetch
We have a 70 lb Aussie and a 13 lb Havanese who compete with each other to fetch toys. This hedgehog is their favorite, largely due to the loud assertive squeak. Our big dog is a chewer and has a history of getting to any squeaker in a toy, once nearly choking when successfully removing one from a smaller toy. She still tries to chew on this toy, going straight for the nose but has not yet gotten to the squeaker which is large enough that I don't believe would be a choking hazard if she did get to it. No soft toy is indestructible, but compared to other plush toys, this is more durable. Once the nose has been chewed off, I have simply hand stitched the hole closed and from then on she's no longer interested in chewing through it. Have run through the wash and comes out fine. When one eventually wears out I order a replacement and the 2 puppies compete once again over ownership.
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Reviewed in the United States on January 17, 2023
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Larkus
Los Angeles, US
★★★★★ 5
Holding up to my teething 5 month old puppy
All toys are are hard to review as it comes down to the pet. But for what it's worth, this seems well made and is holding up to our teething puppy!
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Reviewed in the United States on March 27, 2026
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Debbie C.
Lexington, US
★★★★★ 5
Best toy
My dog's favorite hedgehogs. I ordered 3 at a time.
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Reviewed in the United States on January 8, 2026

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