skip to footer block
PEX Dayton Audio SA100 100W Subwoofer Plate Amplifier P2348766PEX-300-802 https://cdnimages.opentip.com/full/PEX/PEX-300-802.jpg Dayton Audio SA100 100W Subwoofer Plate Amplifier Manufacturer Part Number: SA100This Dayton Audio SA100 100 watt subwoofer amplifier with adjustable crossover, high and low level inputs, auto on/off and phase reversal switch is perfect for building your own powered subwoofer. This plate amp offers very stable operation, with full overload protection.We stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.Key Features: Low distortion audiophile soundAdjustable low pass crossoverHigh and low level inputs/outputsAuto On/OffPhase reversal switch75 watts RMS @ 8 ohms, 100 watts RMS @ 4 ohmsS/N Ratio: 90 dB (A-weighted)Overview: Dayton Audio SA100 100W Subwoofer Plate AmplifierDayton Audio SA100 100 Watt Subwoofer Plate AmplifierSmall but mighty!The Dayton Audio SA100 high performance subwoofer plate amp module packs big-amp features into a compact chassis that is ideal for installation into cabinets that can\'t accommodate bulky old-style amps. We made it small, but included everything that you need to connect the amp to your system and get maximum performance.Key Specs:Channels: 1Power Output @ 4 ohms (RMS): 100 WattsPower Output @ 4 ohms (MAX): 200 Watts Frequency Response: 20Hz - 180HzInputs: 2x RCA Inputs, 2x High-Level InputsOutputs: 1x Powered Output, 1X High-Level Passthrough.We Got Your BackWe stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.ManualLearn MorePhase SwitchCorrect misalignment between your speakers and your subwoofer with a phase inversion switchVariable CrossoverMaintain a smooth transition from your full-range speakers with a variable low-pass filter.High Level In/OutHigh-Level inputs and outputs let you use any amplifier to feed the SA100 and send it out to the full range outputs. Perfect for systems with no subwoofer outputAuto-OnWhen no signal is present, the SA100 can shut itself off until you need it most!Class-AB PowerThe classic AB topology keeps distortion to a minimum while providing a peak wattage of 200W to your driver. the SA100 is perfect for subwoofer duty due to its low noise and reliable performance and protection features.A-Class FeaturesOn the SA100, the input and output connections are through your choice of either line level RCA connectors, or speaker level banana jacks. A stereo input signal is summed to mono and sent to the internal low pass crossover, which is selectable from 40 to 180 Hz; the input gain sensitivity is fully adjustable as well. also included is a phase reverse switch, which helps you to achieve the best acoustical match with the rest of your speakers and an Auto On/Off switch keeps the amp standing by, waiting for an input signal to turn it on.A large surface area heat sink is combined with internal overload, thermal, and short circuit protection so that you can expect years of reliable operation.Front:1. Low-Level Inputs (Left/Right) - RCA Style jacks that will accept standard line level inputs from a pre-amp level source.2. Low-Level Outputs (Left/Right) - RCA Style jacks will output full range signal for connection to other amplifiers or gear.3. High-Level Inputs - Accepts speaker level inputs for connection to amplifiers with no pre-amplified subwoofer output.4. High-Level Passthrough - allows the speaker level input signal to be passed through to their intended speakers.5. Power Input - Built-in power cord for connection to 120VAC mains.6. Amplified Signal Output - Solderless disconnect terminals for driver connection: Red = 0.205\" / Black = 0.11\".7. Volume (Gain) - This control will match the amplifier\'s input sensitivity to the output of the pre-amp source.8. Frequency (Low-pass crossover) - This sets the highest frequency the subwoofer will reproduce and has a range between 40-180Hz with a slope of 24dB/Oct.9. Power LED - When the power switch is moved to the \"on\" position, the LED will illuminate green, and the amp will be in \"On\" mode. If the protection circuit detects a short circuit or thermal overload the unit will shut down and the LED will turn red10. Power Switch - On, Off and Auto mode. When the \"Auto\" position is selected, the amp is in \"stand by\" mode until an input signal of about 10 mil livolts or greater is detected. The amp will go back to standby mode 10-15 minutes after the input signal stops11. Phase - This two-position (NOR = 0° phase and REV = 180° phase) switch helps to compensate for differences in the acoustical and electrical characteristics between the subwoofer and the main system speakers.Shop More Plate AmpsBuild your own high-quality integrated powered subwoofer speaker system, or upgrade an existing setup. The performance, features, and warranty of the amplifier solutions found at Parts Express far exceed those of many similar products. These amps are designed to \"do it all\" when matched with the appropriate subwoofer enclosure and loudspeaker driver.SPA300-DSPA250SPA500SPA1000Specifications:Channels: 1Power Handling (RMS): 100 Watts @ 4 ohmsPower Handling (MAX): 200 Watts @ 4 ohmsFrequency Response: 20 - 180HzSNR, A-Weighted: 90 dBTotal Harmonic Distortion: <0.3%Inputs: 2x RCA Inputs, 2x High-Level InputsDriver Connection: Red = 0.205\" / Black = 0.11\"Power Requirements: 115 - 230 VACDimensions: 7-1/2\" W x 8-11/16\" H x 4-3/4\" DCutout Dimensions: 6-1/2\" W x 7-1/2\" HWeight: 7.6 lbs.Specification: Product DetailsBrandDayton AudioModelSA100Part Number300-802UPC844632015946Unit of MeasureEachWeight8.55Manuals & Resources: Dayton Audio SA100 Subwoofer Amplifier ManualDayton Audio Manufacturer Warranty 2348766 844632015946 8.5500lbs 0.00 0.00 0.00
Dayton Audio
129.98 2025-08-13 240 In Stock

Dayton Audio SA100 100W Subwoofer Plate Amplifier

Brand Dayton Audio
Shop more from PEX

UPC: 844632015946
SKU: PEX-300-802
Price:
$129.98Free shipping on orders over $129 on select PEX- items. Details
Buy in bulk & save 12% ($114.17 each)
Quantity:
240 In Stock
*  Click "Add to Cart" to calculate shipping and delivery time.
Share & Earn 10% Cash Back Best Price in Bulk
Price: $129.98 ea X 1 qty = $129.98
Quantity Price Save
1+ $129.98 0%
4+ $114.17 12%
This item is excluded from use of other offer, discount or coupon.

Pricing Note

Free Shipping Promotion: Buy more items from the same series, product code beginning with PEX-, and you can get free shipping for an order of over  $129.00  consisting of only PEX- series products.

Product Description

Manufacturer Part Number: SA100

This Dayton Audio SA100 100 watt subwoofer amplifier with adjustable crossover, high and low level inputs, auto on/off and phase reversal switch is perfect for building your own powered subwoofer. This plate amp offers very stable operation, with full overload protection.

We stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.

Key Features:
  • Low distortion audiophile sound
  • Adjustable low pass crossover
  • High and low level inputs/outputs
  • Auto On/Off
  • Phase reversal switch
  • 75 watts RMS @ 8 ohms, 100 watts RMS @ 4 ohms
  • S/N Ratio: 90 dB (A-weighted)


Overview:
Dayton Audio SA100 100W Subwoofer Plate Amplifier

Dayton Audio SA100 100 Watt Subwoofer Plate Amplifier

Small but mighty!

The Dayton Audio SA100 high performance subwoofer plate amp module packs big-amp features into a compact chassis that is ideal for installation into cabinets that can't accommodate bulky old-style amps. We made it small, but included everything that you need to connect the amp to your system and get maximum performance.


Key Specs:

  • Channels: 1
  • Power Output @ 4 ohms (RMS): 100 Watts
  • Power Output @ 4 ohms (MAX): 200 Watts
  • Frequency Response: 20Hz - 180Hz
  • Inputs: 2x RCA Inputs, 2x High-Level Inputs
  • Outputs: 1x Powered Output, 1X High-Level Passthrough.


We Got Your Back
Dayton Audio SA100 100W Subwoofer Plate Amplifier

We stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.

Manual

Learn More


Dayton Audio SA100 100W Subwoofer Plate Amplifier

Phase Switch


Correct misalignment between your speakers and your subwoofer with a phase inversion switch

Dayton Audio SA100 100W Subwoofer Plate Amplifier

Variable Crossover


Maintain a smooth transition from your full-range speakers with a variable low-pass filter.

Dayton Audio SA100 100W Subwoofer Plate Amplifier

High Level In/Out


High-Level inputs and outputs let you use any amplifier to feed the SA100 and send it out to the full range outputs. Perfect for systems with no subwoofer output

Dayton Audio SA100 100W Subwoofer Plate Amplifier

Auto-On


When no signal is present, the SA100 can shut itself off until you need it most!


Class-AB Power

The classic AB topology keeps distortion to a minimum while providing a peak wattage of 200W to your driver. the SA100 is perfect for subwoofer duty due to its low noise and reliable performance and protection features.

Dayton Audio SA100 100W Subwoofer Plate Amplifier


A-Class Features

On the SA100, the input and output connections are through your choice of either line level RCA connectors, or speaker level banana jacks. A stereo input signal is summed to mono and sent to the internal low pass crossover, which is selectable from 40 to 180 Hz; the input gain sensitivity is fully adjustable as well. also included is a phase reverse switch, which helps you to achieve the best acoustical match with the rest of your speakers and an Auto On/Off switch keeps the amp standing by, waiting for an input signal to turn it on.

A large surface area heat sink is combined with internal overload, thermal, and short circuit protection so that you can expect years of reliable operation.

Dayton Audio SA100 100W Subwoofer Plate Amplifier

Front:



1. Low-Level Inputs (Left/Right) - RCA Style jacks that will accept standard line level inputs from a pre-amp level source.

2. Low-Level Outputs (Left/Right) - RCA Style jacks will output full range signal for connection to other amplifiers or gear.

3. High-Level Inputs - Accepts speaker level inputs for connection to amplifiers with no pre-amplified subwoofer output.

4. High-Level Passthrough - allows the speaker level input signal to be passed through to their intended speakers.

5. Power Input - Built-in power cord for connection to 120VAC mains.

6. Amplified Signal Output - Solderless disconnect terminals for driver connection: Red = 0.205" / Black = 0.11".

7. Volume (Gain) - This control will match the amplifier's input sensitivity to the output of the pre-amp source.

8. Frequency (Low-pass crossover) - This sets the highest frequency the subwoofer will reproduce and has a range between 40-180Hz with a slope of 24dB/Oct.

9. Power LED - When the power switch is moved to the "on" position, the LED will illuminate green, and the amp will be in "On" mode. If the protection circuit detects a short circuit or thermal overload the unit will shut down and the LED will turn red


    10. Power Switch - On, Off and Auto mode. When the "Auto" position is selected, the amp is in "stand by" mode until an input signal of about 10 mil livolts or greater is detected. The amp will go back to standby mode 10-15 minutes after the input signal stops

    11. Phase - This two-position (NOR = 0° phase and REV = 180° phase) switch helps to compensate for differences in the acoustical and electrical characteristics between the subwoofer and the main system speakers.


    Shop More Plate Amps

    Build your own high-quality integrated powered subwoofer speaker system, or upgrade an existing setup. The performance, features, and warranty of the amplifier solutions found at Parts Express far exceed those of many similar products. These amps are designed to "do it all" when matched with the appropriate subwoofer enclosure and loudspeaker driver.

    Dayton Audio SA100 100W Subwoofer Plate Amplifier

    SPA300-D





      Dayton Audio SA100 100W Subwoofer Plate Amplifier

      SPA250



      Dayton Audio SA100 100W Subwoofer Plate Amplifier

      SPA500



      Dayton Audio SA100 100W Subwoofer Plate Amplifier

      SPA1000




      Specifications:

      • Channels: 1
      • Power Handling (RMS): 100 Watts @ 4 ohms
      • Power Handling (MAX): 200 Watts @ 4 ohms
      • Frequency Response: 20 - 180Hz
      • SNR, A-Weighted: 90 dB
      • Total Harmonic Distortion: <0.3%


      • Inputs: 2x RCA Inputs, 2x High-Level Inputs
      • Driver Connection: Red = 0.205" / Black = 0.11"
      • Power Requirements: 115 - 230 VAC
      • Dimensions: 7-1/2" W x 8-11/16" H x 4-3/4" D
      • Cutout Dimensions: 6-1/2" W x 7-1/2" H
      • Weight: 7.6 lbs.



      Specification:

      Manuals & Resources:

      warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
      Need more information?
      Our staff are available to answer any questions you may have about this item


      Customer Reviews
      0 reviews
      Be the first to review this item!