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Product comparison · 2 audio amplifiers

Yamaha A-S801SI audio amplifier Home Silver vs Yamaha PX8 audio amplifier 4.0 channels Performance/stage Black

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  • 13specifications compared
  • 11differ
  • 2identical
  • 23known for one product only

Key differences

  • Peak power per channel
    • 100 W
    • 800 W
  • Total Harmonic Distortion (THD)
    • 0.019%
    • 0.1%
  • Signal-to-Noise Ratio (SNR)
    • 99 dB
    • 101 dB
  • Purpose
    • Home
    • Performance/stage
  • Product colour
    • Silver
    • Black
  • Built-in display
    • No
    • Yes
  • Power consumption (standby)
    • 0.5 W
    • 280 W
  • Width
    • 435 mm
    • 480 mm

Side by side

Differences highlightedShow differences only
36 specifications
A

Yamaha

A-S801SI audio amplifier Home Silver

Model A-S801SI

View product
B

Yamaha

PX8 audio amplifier 4.0 channels Performance/stage Black

Model PX8

View product
Audio3 differ
Audio output channelsKnown for one4.0 channels
Peak power per channelDiffers100 W800 W
Amplifier classKnown for oneD
Total Harmonic Distortion (THD)Differs0.019%0.1%
Signal-to-Noise Ratio (SNR)Differs99 dB101 dB
Input impedanceKnown for one10 Ω
Built-in crossoverKnown for oneNo
Audio qualityKnown for one24 bit
Damping factorKnown for one240
RMS power output per channel (8 Ohm)Known for one200 W
Dynamic power per channel (2 Ohm)Known for one290 W
Dynamic power per channel (4 Ohm)Known for one220 W
Dynamic power per channel (6 Ohm)Known for one170 W
Dynamic power per channel (8 Ohm)Known for one140 W
Frequency rangeKnown for one10 - 100000 Hz
Ports & interfacesidentical
Speakers connectivity typeKnown for one1/4"
USB 2.0 ports quantity11
Digital audio coaxial inKnown for one1
Digital audio optical inKnown for one1
Technical details2 differ
PurposeDiffersHomePerformance/stage
Connectivity technologyWiredWired
Product colourDiffersSilverBlack
Cooling typeKnown for oneActive
ImpedanceKnown for one20 Ω
On/off switchKnown for oneYes
Display1 differ
Built-in displayDiffersNoYes
Power1 differ
AC input voltageKnown for one220 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (standby)Differs0.5 W280 W
Weight & dimensions4 differ
WidthDiffers435 mm480 mm
DepthDiffers152 mm388 mm
HeightDiffers387 mm88 mm
WeightDiffers12.1 kg7.2 kg
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Indicationidentical
LED indicatorsKnown for oneClipping, Power, USB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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