Sinbosen K4-600 1U Class D Digital Power Amplifier – 4-Channel, 600 Watts

Sinbosen K4-600 1U Class D Digital Power Amplifier – 4-Channel, 600 Watts

Compact, powerful, and versatile, the Sinbosen K4-600 is a 1U Class D digital amplifier designed for professional audio environments. Offering four independent channels and reliable output performance, it’s an excellent choice for venues, events, and reinforcement systems that demand clean, efficient power.

Key Features:

• Mini 1U chassis — ideal for touring, fixed installs, and space-limited racks
• 4-Channel Class D power — 4 × 600W @ 8Ω / 900W @ 4Ω
• Suitable for a wide range of applications — bars, clubs, KTV, karaoke rooms, home theaters, banquet halls, outdoor performances, and more
• Efficient circuit design delivers tight, punchy low end and clear, detailed mids and highs
• Built-in protection — temperature, over-current, and short-circuit safeguards
• Lightweight and easy to install

Additional Technical Notes:

• Class D amplifier module with peak-clipping limiter and ripple-reduction technology
• Designed for stability and durability under continuous use

Important Note:
This specific unit’s cooling fans run louder than average. In a bar, club, or large venue, this won’t be noticeable; however, in a quiet studio or home listening environment, the fan noise may be distracting. The unit is fully functional and performs as intended, and the fans can be replaced if desired for quieter operation.

Overall, the K4-600 is a clean, fully working amplifier with normal cosmetic wear from previous use.

• At Tone House, we're not just sellers, we're passionate musicians, gear aficionados, and seasoned professionals dedicated to the craft of making music. We take pride in our curated music collection. We love giving these vintage and rare pieces new life through maintenance and upkeep. Our goal is for these units to be at their optimal performance before going to their new homes.  Every item you acquire from us undergoes a meticulous inspection process conducted by our team of enthusiasts, studio engineers, and live performers. With full-time technicians on staff, rest assured that each piece is thoroughly examined and tested before being professionally packed.

All orders placed by 2 pm are processed the same day. This ensures that your gear is swiftly prepared for shipment, guaranteeing prompt delivery in the condition promised. Once your order is in transit, automatic tracking information is provided, allowing you to monitor its journey from our shop to your doorstep with ease.

The units/items you see in our pictures are precisely what you'll receive. Have questions? Feel free to ask before making a purchase. Additionally, we offer custom modifications, within reason, to many of the guitars and products we sell, ensuring they perfectly suit your unique requirements.

Our dedication to your satisfaction doesn't end with the purchase. We value your feedback and strive for excellence in every transaction. If, for any reason, you're not completely satisfied, please reach out to us before leaving feedback. Your happiness is our priority, and we're here to ensure your musical journey is nothing short of exceptional.

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Please note that additional shipping charges may apply to buyers in Hawaii, Alaska, Puerto Rico, and the Virgin Islands. Feel free to contact us for shipping rates before making your purchase.

For Returns: Your satisfaction is our priority. If for any reason you're not completely satisfied with your purchase, please don't hesitate to reach out to us via message. We're here to address any concerns and ensure you have a positive experience with Tone House.

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