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Product Comparison
Frequently Compared Power Amplifiers

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Niles SI-2150

In stock

$639.00Special purchase, Save $210.00$849.00

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Niles SI-250

In stock

$339.00Special purchase, Save $180.00$519.00

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Russound P125

In stock

$369.00Price break, Save $60.99$429.99

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Marantz MM7025

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$799.99

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Condition New StockNew StockNew StockNew Stock
General Niles SI-2150Niles SI-250Russound P125Marantz MM7025
Number of Channels
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2222
Power Output per Channel (8 ohms)
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1505080140
Power Output per Channel (6 ohms)
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---------170
Power Output per Channel (4 ohms)
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270100125---
Frequency Response
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5Hz-25kHz5Hz-25kHz20-20, 0008-100k
THD
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0.2%0.2%0.2%0.08%
Bridged Power per Channel
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550 watts225 watts125 wattsN/A
Speaker Outputs
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2242
THX Certification
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NoNoNoNo
Width (inches)
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17-1/417-1/416-9/1617-3/8
Height (inches)
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2-1/42-1/44-1/165-1/16
Depth (inches)
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14-1/214-1/215-13/1615
Weight
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10.7 pounds10.7 pounds25.6 pounds23.8 pounds
Parts Warranty
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2 Years2 Years1 Year3 Years
Labor Warranty
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2 Years2 Years1 Year3 Years
Inputs & Outputs Niles SI-2150Niles SI-250Russound P125Marantz MM7025
Number of Inputs
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1122
Level Controls
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YesYesYesNo
Speaker Connectors
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