VITUS AUDIO SIA-030 Specifications:
INPUT | XLR ANALOGUE | RCA ANALOGUE |
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Available | 3 (L+R) | 2 (L+R) |
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Sensitivity | 2/4/8 VRMS | 2/4/8 VRMS |
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Impedance | 10KΩ | 10KΩ |
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OUTPUT (EACH CH.) | SPEAKER | PRE OUT |
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Available | 1 | 1 (RCA) |
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Impedance | 0.075Ω | 33Ω |
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Power WRMS (8Ω) | ~30W Class A / ~200W Class AB |
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Power WRMS (4Ω) | ~60W Class A / ~400W Class AB |
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Frequency response | +800kHz |
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Signal to noise ratio | >120dB @ 1kHz |
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THD + noise | <0.01% |
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Please find reviews below:

VITUS AUDIO SIA-030 Class A Integrated Amplifier review by ” High Fidelity ” Magazine, November 2019
http://highfidelity.pl/@main-956&lang=en

VITUS AUDIO SIA-030 Class A Integrated Amp review by “AV Showrooms“, August 2019
https://www.youtube.com/watch?v=CBirt7MtFH4&fbclid=IwAR3jCcaStgDPjJaJa5RuEFipHxgWcR9GUVfFg9Tvz-XnGKwR44_vWwhA7gU