Refurbished SFB-200.4 4-Channel Amplifier
This is a used product that has been professionally rebuilt here at Sundown Audio and has a 120 Day Warranty. Let us know within 24 hours of delivery if this product has an issue. These potentially have scratches & scuffs on the magnets/motors and will not be in new condition.
- 200 x 4 @ 1 ohm RMS
- 125 x 4 @ 2 ohms RMS
- 75 x 4 @ 4 ohms RMS
- 4-channel full-range amplifier
- Variable 12dB low pass filter: 50Hz – 6kHz
- Variable 12dB high pass filter: 15Hz – 6kHz
- Variable 12dB Bass Boost @ 50Hz
- Power, protection & clipping indicators included
- Thermal, voltage, speaker short, and dc-offset protection circuitry
Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel.  Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget –  look no further!
Specifications
- Frequency Response: 10HZ-20KHZ(-3dB)
- Input Impedance: 56k ohms
- Input Sensitivity 5V Max
- S/N Ratio 100dB
- Minimum Supply Voltage: 9VDC
- Maximum Supply Voltage: 16VDC
- Working Voltage 10.5v-15.5v
- Recommended Fuse Rating 80A
- Dimensions 7.25″ x 8.50″ x 2.50″
Product Information
Product Information
Shipping & Returns
Shipping & Returns






Refurbished SFB-200.4 4-Channel Amplifier
Refurbished SFB-200.4 4-Channel Amplifier
This is a used product that has been professionally rebuilt here at Sundown Audio and has a 120 Day Warranty. Let us know within 24 hours of delivery if this product has an issue. These potentially have scratches & scuffs on the magnets/motors and will not be in new condition.
- 200 x 4 @ 1 ohm RMS
- 125 x 4 @ 2 ohms RMS
- 75 x 4 @ 4 ohms RMS
- 4-channel full-range amplifier
- Variable 12dB low pass filter: 50Hz – 6kHz
- Variable 12dB high pass filter: 15Hz – 6kHz
- Variable 12dB Bass Boost @ 50Hz
- Power, protection & clipping indicators included
- Thermal, voltage, speaker short, and dc-offset protection circuitry
Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel.  Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget –  look no further!
Specifications
- Frequency Response: 10HZ-20KHZ(-3dB)
- Input Impedance: 56k ohms
- Input Sensitivity 5V Max
- S/N Ratio 100dB
- Minimum Supply Voltage: 9VDC
- Maximum Supply Voltage: 16VDC
- Working Voltage 10.5v-15.5v
- Recommended Fuse Rating 80A
- Dimensions 7.25″ x 8.50″ x 2.50″
Original: $129.99
-70%$129.99
$39.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This is a used product that has been professionally rebuilt here at Sundown Audio and has a 120 Day Warranty. Let us know within 24 hours of delivery if this product has an issue. These potentially have scratches & scuffs on the magnets/motors and will not be in new condition.
- 200 x 4 @ 1 ohm RMS
- 125 x 4 @ 2 ohms RMS
- 75 x 4 @ 4 ohms RMS
- 4-channel full-range amplifier
- Variable 12dB low pass filter: 50Hz – 6kHz
- Variable 12dB high pass filter: 15Hz – 6kHz
- Variable 12dB Bass Boost @ 50Hz
- Power, protection & clipping indicators included
- Thermal, voltage, speaker short, and dc-offset protection circuitry
Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel.  Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget –  look no further!
Specifications
- Frequency Response: 10HZ-20KHZ(-3dB)
- Input Impedance: 56k ohms
- Input Sensitivity 5V Max
- S/N Ratio 100dB
- Minimum Supply Voltage: 9VDC
- Maximum Supply Voltage: 16VDC
- Working Voltage 10.5v-15.5v
- Recommended Fuse Rating 80A
- Dimensions 7.25″ x 8.50″ x 2.50″





















