3.5 Watt Audio Power and Headphone Amplifier - SS - 7 Year Warranty

The D SERIES-HPA3 is a high efficiency 3.5 W power amplifier with one line input an amplified output to drive a 4 or 8 ohm speaker and a separate headphone amplifier. The -HPA3 features a balanced line level input that may be connected unbalanced. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. The amplified output levels are controlled by a front-panel volume control.

The amplifier features a Mini-Jack headphone output on the front panel. When a headset is plugged in the power amplifier may be switched off. Two recessed slide switches located on the top of the rear enclosure are set prior to mounting the module. One switch is provided for setting the input sensitivity. The mute switch determines whether the power amplifier operates when headphones are plugged in.

Amplification for the speaker output is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp pleasant audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation.

The D SERIES-HPA3 is designed to be mounted in a wall box. The front panel does not include any illuminated indicators making the -HPA3 ideally suited to installation in dark rooms or areas. Wiring is connected through a rear-panel detachable terminal block. Module operation is from a 24 Vdc ground-referenced power supply.

Features:
• Wall-Mounted Amplifier with 2 Outputs
• Balanced Input on the Rear Panel
• Speaker Output on the Rear Panel
• Mini-Jack Headphone Output on the Front Panel
• Setting to Turn Off Power Amplifier upon Headphone Connection
• Amplifier Muting Using Solid-State Switching
• Single Gain Adjustment for the Speaker and Headphone Amplifiers
• 3.5 Watt RMS Audio Amplifier into 8 Ohms
• 6.5 Watt RMS Audio Amplifier into 4 Ohms
• Output Drives 4 or 8 Ohm Speaker
• High-Efficiency Class D Operation
• Speaker Output Connection on Detachable Terminal Block
• Ultra-Compact All Metal Construction
• Thermal and Short-Circuit Protection
• 7 Year Warranty

Shipping Policy

1. Shipping Rates and Delivery Times
We offer a variety of shipping options to meet your needs. Standard shipping typically takes 5-7 business days, while expedited shipping options are available for faster delivery. Please note that delivery times may vary based on your location and the shipping method selected.

2. Processing Time
All orders are processed within 1-2 business days. Orders placed on weekends or holidays will be processed the following business day.

3. Shipping Carriers
We partner with reputable carriers such as [Carrier Names] to ensure reliable delivery.

4. Tracking Your Order
Once your order has shipped, you will receive a tracking number via email so you can monitor its progress.

5. International Shipping
We offer international shipping to select countries. Please be aware that customs fees and import duties may apply, and these charges are the responsibility of the customer.

6. Lost or Damaged Items
If your order is lost or arrives damaged, please contact us within 7 days of receiving your order. We’ll be happy to assist you with a replacement or a refund.

7. Shipping Restrictions
We do not ship to P.O. Boxes or certain restricted countries. Please check our list of excluded locations at checkout.

8. Shipping Costs
Shipping costs are calculated at checkout based on your location and the shipping method chosen.

9. Free Shipping
Enjoy free standard shipping on orders over $1000.

10. Customs and Import Duties
For international orders, customs duties and taxes may apply. These charges are the responsibility of the customer.

11. Contact Us
If you have any questions or need assistance with your order, please contact our customer service team at Hello@CrystalTech.Group or 03335678444.