DAP SI-4.450

DAP SI-4.450 4-Channel Power Amplifier – Powerful and Reliable Amplification for Fixed Installations

The DAP SI-4.450 is a compact and lightweight 4-channel power amplifier, ideal for fixed installations that require powerful and stable audio performance. With a 1U rack format, this amplifier delivers 4x 450W at 4 ohms, supports 2-ohm loads, and can be bridged for even more power.

Key features of the DAP SI-4.450:

✔ Versatile power options – Operates at 4x 450W (4Ω), supports 2Ω, and can deliver even more power in bridge mode.
✔ Optimal stability – Designed for low impedance and high current, with excellent reliability.
✔ Extensive protection – Protects speakers and the amplifier itself thanks to clip limiter, DC output protection, short-circuit protection, and thermal protection.
✔ User-friendly operation – Equipped with signal, clip, fault, and power LEDs and individual volume controls per channel.
✔ Flexible settings – Select stereo, mono, or bridge mode via the mode switch and easily adjust gain with a selector switch on the rear (0.775V input or 32dB gain).
✔ Advanced power supply technology – The universal switching power supply with active PFC and soft-switching technology operates at 100-250V AC, optimized for stable audio reproduction.

The DAP SI-4.450 offers powerful performance and robust protection in a compact format. Perfect for professional audio installations where reliability and sound quality are essential. 

DJ software:
Stand Alone:
Analog audio inputs:
Analog audio outputs:
Headphone jack:

We deliver all orders within 1 to 3 business days.

DJ Supply Return Policy

At BSE Pro, we are committed to your satisfaction. We understand that it may sometimes be necessary to return a product. Below you will find our return policy.

Returns of Defective and Non-Defective Products

• Defective products: If you receive a defective product, we will gladly accept your return at no additional cost. It is important to us that our products meet your expectations.
• Non-Defective Products: If you decide to return a non-defective product, we are willing to take the product back, provided it meets the conditions described in this policy.

New and Lightly Used Products

• New Products: Products must be in new, unopened condition to be eligible for return.
• Lightly Used Products: We accept returns of lightly used products, provided they are in their original packaging and include all accessories.

Return Period

Customers have 30 days from the date of receipt to submit a return request.

Return Methods

• In-Store: Products can be returned to any BSE Pro store.
• By Mail: Returns can also be sent by mail to our return address. Please contact our customer service for the correct address and procedure.

Restocking Fees

A restocking fee of 15% of the purchase price may be charged for non-defective products. Defective products will be accepted without a restocking fee.

Refund Processing

Refunds are typically processed within 10 business days after receipt and inspection of the returned product. Depending on your bank, it may take several days for the amount to appear in your account.

How to Request a Return

1. Contact our customer service at info@bse-pro.nl or call 050-3134433 to submit your return request.
2. You will receive instructions for returning your product.
3. Make sure the product is properly packaged and includes all original documentation.
4. Send your package to the specified address or bring it to one of our stores.

We hope you are satisfied with your purchases at BSE Pro, but we are ready to assist if a return is necessary. For further assistance, please feel free to contact our customer service.