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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Rockford Fosgate Power T400X4AD - 4 Channel Ultra-Compact AmplifierRockford Fosgate Power T400X4AD 4 Channel Ultra Compact Class AD Amplifier The Power T400X4AD 400 Watt 4 channel ultra compact, amplifier is built on Rockford Fosgates proprietary Class AD technology, featuring Constant Power to produce the same output at both 4 Ohm and 2 Ohm impedances. Flexible vehicle integration enabled through low level and high level inputs with auto turn on. Top mounted controls allow easy access to built in crossover and C. L.
Rockford Fosgate Power T400X4AD - 4 Channel Ultra-Compact Class AD Amplifier
The Power T400X4AD 400 Watt 4-channel ultra-compact, amplifier is built on Rockford Fosgate’s proprietary Class-AD technology, featuring Constant Power to produce the same output at both 4-Ohm and 2-Ohm impedances. Flexible vehicle integration enabled through low-level and high-level inputs with auto turn-on. Top mounted controls allow easy access to built-in crossover and C.L.E.A.N. input/output clip detection circuits. The 3-stage thermal lock extrusion with dual fan forced induction keeps everything cool while real-time thermal/protection schemes safeguard the amplifier.
- Number of Channels: 4
- Rated Power(RMS Continuous Power):
- 100 Watts x 4 @ 4-Ohms
- 100 Watts x 4 @ 2-Ohms
- 200 Watts x 2 @ 4-Ohms Bridged
- Total Power (Sum of Rated Power): 400 Watts RMS
- Dynamic Power (PVC/PowerCube® Measurement)
- 128 Watts x 4 @ 4-Ohm
- 152 Watts x 4 @ 2-Ohm
- 290 Watts x 2 @ 4-Ohm Bridged
- Bridgeable: Yes:
- Front Terminals: Left (+) Right (-)
- Rear Terminals: Left (+) Right (-)
- Crossover Controls:
- High-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth
- Low-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth
- All-Pass: Yes
- Tone Controls:
- Front Channels - Punch EQ
- Treble: 0dB to +12dB @ 12kHz
- Bass: 0dB to +18dB @ 45Hz
- Rear Channels - Punch EQ
- Treble: 0dB to +14dB @ 12.5kHz
- Bass: 0dB to +18dB @ 45Hz
- Signal Input:
- Front Low level: Front High/Low Level Input: 4-Pin harness
- Rear Low level: Rear High/Low Level Input: 4-Pin harness
- Signal Output: N/A
- Power Input Connector: Detachable Compression Terminal
- Power Wire Gauge: 10 AWG
- Speaker Output Connector:
- Front: 4-Pin Harness
- Rear: 4-Pin Harness
- Speaker Wire Gauge: 16 AWG
- Heat Sink Type: Extruded Aluminum
- Cooling: Dual Fan Cooled
- Remote Controls:
- Visual Indicators:
- Power: Blue LED
- Protect: Red LED
- Input Clip: Red LED
- Output Clip Blue/Red LEDrock
- Circuit Topology Class: Class A/B
- Frequency Response: 20Hz to 20kHz +/- 1dB
- Dimensions (HxWxL):
- 1.6 x 4.25 x 8.3 (in)
- 4.1 x 10.79 x 21.1 (cm)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 787 reviews
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Product Reviews
★★★★★ 5
Easy to use
Color: Navy, Size: 10 Foot, Color: Navy, Size: 10 Foot
Easy setup and easy use, cranks open very smoothly with no trouble. The fabric is opaque (not light filtering) and sturdy with edges sewn to last. This umbrella provides ample shade and sun protection. It works great and is pretty much as expected. I do find the tilt feature a tad tricky sometimes, maybe becsuse I’ve got smaller hands idk, but other than that it’s great.
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Reviewed in the United States on May 21, 2026
★★★★★ 4
Budget Baddie...
Color: Tan, Size: 9 Foot
This is a quality/durable self driven (me) beast of an umbrella replacement...It has good color and we chose the Tan 9ft. Easy usage for its weight class all while being budget friendly... atmospheric presence of richness & sturdiness, and very easy to open and close to adjust to this unit's comforts. I haven't put this umbrella out for the season as of yet... because the snow is still present on the grounds of New England! "WE WINN"
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Beautiful and works great.
Color: Navy, Size: 10 Foot, Color: Navy, Size: 10 Foot
I decided to try this because my old umbrella had seen better days and it was time to replace it.
I am very pleased with the quality and the ease of assembly with this umbrella.
It’s very sturdy and I like the quality of the fabric and the metal. It’s very easy to open and close and it makes my patio look great.
It gives me the perfect amount of shade and the fabric thickness is perfect at keeping the harsh sunbeams from getting through.
I also think the price is great for what you get.
I would definitely recommend this umbrella because it’s made well and works well. It’s also very easy to clean. I just use my garden hose and spray it down and let it air dry.
It also fit perfectly in the stand I already had and it works great. I am very happy I got to try this out.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Great replacement patio table umbrella.
Color: Tan, Size: 10 Foot
After a windstorm destroyed my old umbrella on our patio set, I was looking for a new one that wouldn't break the bank but also held up to the direct sun of the summer months.
This umbrella did not disappoint! The material part of the umbrella top seems like it is nice and thick and the stitching is overlapped in the corners which should provide a lot of strength for the windy days. I really like the neutral colors of the fabric, as that will go well with the rest of my outdoor furniture.
The medal pole portion is perfectly straight and the pivot point connection seems nice and tight. I would think that this umbrella will stand the test of time.
No assembly needed, just pull it out of the box and extend the fabric.
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Reviewed in the United States on February 26, 2026
★★★★★ 1
Incorrect height shown in listing image.
Color: Tan, Size: 9 Foot
I purchased these for their tall height to go in the ground, but they are too short and I hit my head on them. The height shown in Amazon's pictures does not match the actual height for the 9- and 10-foot umbrella. The heights are something more like 90-95 inches rather than the 108 and 120 inches indicated. The 9- and 10-foot umbrella description seems to refer to the diameter of the umbrella instead. I have returned them, but Amazon has not yet corrected the listing.
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Reviewed in the United States on May 5, 2026
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