Product comparison · 2 audio amplifiers

Yamaha A-U671 Home Black vs Yamaha PA2120 audio amplifier Black, Grey

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  • 10specifications compared
  • 8differ
  • 2identical
  • 17known for one product only

Key differences

  • Total Harmonic Distortion (THD)
    • A-U671 Home Black:0.05%
    • PA2120 audio amplifier Black, Grey:0.2%
  • Product colour
    • A-U671 Home Black:Black
    • PA2120 audio amplifier Black, Grey:Black, Grey
  • AC input voltage
    • A-U671 Home Black:100-240 V
    • PA2120 audio amplifier Black, Grey:100, 120, 230-240 V
  • Power consumption (typical)
    • A-U671 Home Black:30 W
    • PA2120 audio amplifier Black, Grey:60 W
  • Width
    • A-U671 Home Black:314 mm
    • PA2120 audio amplifier Black, Grey:480 mm
  • Depth
    • A-U671 Home Black:342 mm
    • PA2120 audio amplifier Black, Grey:379 mm
  • Height
    • A-U671 Home Black:70 mm
    • PA2120 audio amplifier Black, Grey:45 mm
  • Weight
    • A-U671 Home Black:3.3 kg
    • PA2120 audio amplifier Black, Grey:4.8 kg

Side by side

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Comparison of A-U671, PA2120
27 specifications
Audio1 differ
Peak power per channelKnown for one70 WUnknown — not stated by the source
Total Harmonic Distortion (THD)Differs0.05%0.2%
Signal-to-Noise Ratio (SNR)Known for one95 dBUnknown — not stated by the source
Input sensitivityKnown for one230 mVUnknown — not stated by the source
Frequency rangeKnown for one10 - 40000 HzUnknown — not stated by the source
Amplifier classKnown for oneUnknown — not stated by the sourceD
RMS power output per channel (4 Ohm)Known for oneUnknown — not stated by the source120 W
RMS power output per channel (8 Ohm)Known for oneUnknown — not stated by the source100 W
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one1Unknown — not stated by the source
Headphone outputsKnown for one1Unknown — not stated by the source
Line inputs (RCA)Known for one2Unknown — not stated by the source
Speakers connectivity typeKnown for oneUnknown — not stated by the sourceEuroblock
Technical details1 differ
PurposeKnown for oneHomeUnknown — not stated by the source
Connectivity technologyWiredWired
Product colourDiffersBlackBlack, Grey
Volume controlKnown for oneRotaryUnknown — not stated by the source
Power2 differ
AC input voltageDiffers100-240 V100, 120, 230-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Power consumption (typical)Differs30 W60 W
Power consumption (standby)Known for one0.4 WUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers314 mm480 mm
DepthDiffers342 mm379 mm
HeightDiffers70 mm45 mm
WeightDiffers3.3 kg4.8 kg
Packaging contentidentical
Remote control includedKnown for oneYesUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-20 - 60 °C

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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