Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
SounDigital - 400.4 XPAt the pinnacle of performance and innovation, we proudly present the XP linean impressive evolution in your audio experience. Designed with state of the art technology and enhanced by artificial intelligence, XP amplifiers embody the core DNA of SounDigital innovation, excellence, and precision. The XP line delivers exceptional audio performance, combining advanced engineering with superior components to ensure reliability and remarkably faithful
At the pinnacle of performance and innovation, we proudly present the XP line—an impressive evolution in your audio experience. Designed with state-of-the-art technology and enhanced by artificial intelligence, XP amplifiers embody the core DNA of SounDigital innovation, excellence, and precision.
The XP line delivers exceptional audio performance, combining advanced engineering with superior components to ensure reliability and remarkably faithful sound clarity. Its compact and versatile design allows seamless integration into a wide range of applications, meeting diverse needs with efficiency and practicality.
Whether you’re an audiophile or a casual listener, XP amplifiers elevate your audio experience, striking the perfect balance between cutting-edge technology and exceptional quality. With the XP line, hear sound as it was meant to be heard.
SD 400.4 XP – 4Ω
Power @ 4Ω: 4 X 66 WRMS
Power @ 2Ω: 4 X 100 WRMS
Power @ 1Ω: N/A
Bridge Power @ 8Ω: 2 X 132 WRMS
Bridge Power @ 4Ω: 2 X 200 WRMS
Bridge Power @ 2Ω: N/A
Operating Voltage: 9V – 16V
Current Draw (Music): 17 A
Current Draw (Max): 34 A
Recommended Fuse (Music): 20 A
Frequency Response (-3dB): 5Hz – 36kHz
SNR: 96dB
Crossover HPF: 45Hz – 850Hz
Crossover LPF: 45Hz – 850Hz
THD + N (10% Rated Power): 0.1%
Recommended Battery: 40aH
Power Cable: 7AWG
Speaker Cable: 15AWG
Product Dimensions: 4.69 x 4.44 x 2.0 in
Product Dimensions: 11.9 x 11.3 x 5.0 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
4.7 ★★★★★
Based on 1905 reviews
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Product Reviews
★★★★★ 5
Excellent roadmap for the local AI jungle
Format: Paperback
Great little book.
Every page has something useful. No fluff. Clearly written by someone whose been in the trenches lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 23, 2025
★★★★★ 5
Great primer for building LLM Applications
Format: Kindle
I highly recommend the book for anyone who wants to come up to speed on running Ollama for open models. The book is well structure and teach you how to create a working RAG Application. I recommend as a primer for anyone interested in building LLM Applications.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2025
★★★★★ 5
Breaks down complex concepts into bite-sized, practical chapters.
Format: Kindle
This hands-on guide to Ollama is exactly what I needed! The author breaks down complex concepts into bite-sized, practical chapters that get straight to the point. The sections on different Ollama models and customization were particularly helpful. If you're looking to learn about building local LLM-powered applications without any fluff, this book is a great investment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2025
★★★★★ 5
Great helpful book.
Format: Kindle
This book is simple to follow, Greg gets back to you in a very timely manner. I have bought other books from Greg and they are always very helpful.
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Reviewed in the United States on February 21, 2025
★★★★★ 5
Love it - revolutionary approach to teaching, presenting complex concepts
Format: Paperback
This book is a game-changer for neural networks and AI enthusiasts. It takes a revolutionary approach to teaching, presenting complex concepts in a simple and engaging manner. The book is filled with colorful diagrams and illustrations that make learning accessible and enjoyable. I’ve read several other books, but this one stands out. It’s not a beginner’s guide, but once you grasp the early concepts, it takes you to a whole new level of understanding. I will give it 10 stars if I could.
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Reviewed in the United States on June 18, 2025
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