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Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Theater Bookshelf Tower Floorstanding Passive Speakers with 48V Power Supply

Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Theater Bookshelf Tower Floorstanding Passive Speakers with 48V Power Supply

Regular price $248.98 USD
Regular price Sale price $248.98 USD
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About this item

  • Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience
  • Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4" TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with other devices, streamlining the process of turning on/off without individual operations
  • Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μV, it delivers exceptional clarity and low distortion
  • Advanced Heat Dissipation: Based on V3's groundbreaking heat dissipation design, we upgraded ZA3's cooling system by featuring a larger chassis, moving vents to the sides, and adding dust covers to achieve better ventilation for a sustained and stable high power output
  • Enhanced Scalable Fun: Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. to fine-tune your sound to perfection

Overview

  • Item dimensions L x W x H: 6.1 x 7.24 x 2 inches
  • Voltage: 48 volts
  • Manufacturer: Fosi Audio
  • Maximum Supply Voltage: 48 volts_of_direct_current
  • Minimum Supply Voltage: 24 volts_of_direct_current
Quantity

Low stock: 10 left

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  • ⭐⭐⭐⭐⭐

    Emily R.
    Austin, Texas

    Stagevera made it easier to find the equipment we needed for a small community performance. The categories were clear, and comparing different stage and audio accessories felt straightforward.

  • ⭐⭐⭐⭐⭐

    Daniel M.
    Orlando, Florida

    I liked being able to browse lighting, sound, stands, cables, and transport supplies in one place. It helped me organize a complete setup without jumping between unrelated stores.

  • ⭐⭐⭐⭐⭐

    Rachel T.
    Columbus, Ohio

    The product selection feels practical for schools, venues, and smaller event teams. I was able to narrow down the right accessories by checking the specifications and compatibility details.

  • ⭐⭐⭐⭐⭐

    Marcus L.
    Phoenix, Arizona

    Stagevera has a good mix of performance equipment and behind-the-scenes essentials. The collection layout made it simple to find both stage hardware and storage products.

Frequently Asked Questions

What types of products does Stagevera sell?

Stagevera offers equipment and accessories for stages, theaters, performances, presentations, schools, houses of worship, DJs, and event venues. Our collections include stage lighting, PA speakers, microphones, stands, backstage supplies, presentation equipment, cables, cases, storage, and transport products.

How can I check whether a product is compatible with my equipment?

Review the product description, dimensions, connector type, voltage, power rating, mounting method, supported frequency, and other specifications before ordering. Products that look similar may use different connectors or technical standards. Contact us before purchasing when compatibility remains unclear.

Are cables, stands, adapters, or mounting hardware included?

Included components vary by product. Please check the product page carefully to see what is supplied in the package. Accessories shown in product images may be used for demonstration and may not always be included unless specifically listed.

Can I use the electrical products outside the United States?

Some products may be designed for particular voltage, frequency, plug, or wireless standards. Confirm the electrical specifications and local compatibility before ordering or using the product. A plug adapter alone does not convert voltage or guarantee safe operation.

Do stage lights and audio equipment require professional installation?

Some products can be used in simple portable setups, while overhead lighting, permanent speaker mounts, power distribution, and complex audio systems may require experienced or qualified installation. Always follow the manufacturer’s instructions and applicable venue and safety requirements.

How long will it take for my order to arrive?

Processing and delivery estimates may vary according to the product, destination, carrier, and availability. The estimated delivery information available during checkout or in your order confirmation should be reviewed before completing your purchase.

How can I track my order?

When tracking information becomes available, it will generally be sent to the email address used for the order. Tracking activity may take additional time to appear after a shipping label has been created or the parcel has been transferred to the carrier.

Can I change or cancel an order after placing it?

Contact us as soon as possible after placing your order. We will review the request, but changes and cancellations cannot be guaranteed once processing or shipment has started. Confirm product specifications, quantity, color, and delivery details before submitting the order.

What should I do if my order arrives damaged or incomplete?

Contact us promptly with your order number, a description of the issue, and clear photographs of the product, packaging, shipping label, and received contents. Keep all original packaging while the issue is being reviewed, as additional information may be required.

What is Stagevera’s return policy?

Return eligibility depends on the product’s condition, return timing, and the requirements stated in our Return & Refund Policy. Items should not be installed, modified, damaged, or used beyond what is reasonably necessary to inspect them. Review the full policy before starting a return request.