Cloud Electronics VA4120 – 4-Channel Audio Power Amplifier (120W per Channel @ 4Ω or 25/70/100V)
The Cloud VA4120 is a cost-effective, high-performance 4-channel power amplifier designed for demanding commercial audio applications. With 120 watts per channel, it supports both low-impedance (≥4 ohm) and high-impedance (25V, 70V, 100V) distributed speaker systems, making it ideal for installations in retail, hospitality, corporate, and public environments.
Housed in a 2RU chassis, the VA4120 delivers reliable performance with built-in limiters and full protection circuitry, ensuring long-term operation and speaker safety. All connections and controls are conveniently located on the rear panel, while the front panel includes LED indicators for signal, peak, and protection status.
Balanced line-level inputs with individual gain presets
Switchable 65 Hz high-pass filter per channel (ideal for transformer protection on 70/100V lines)
Built-in per-channel limiter to prevent clipping
DC offset, thermal, and overcurrent protection circuitry
LED indicators per channel: signal present, clipping, and protection
Universal mains operation: selectable 115V or 230V
Forced-air cooling with dual 80mm fans (front-to-back airflow)
Technical Specifications
Line Inputs
Frequency Response: 20 Hz – 20 kHz, ±1 dB
Input Impedance: 47 kΩ
Headroom: 16 dB
Noise: < -85 dB (22 kHz bandwidth)
Speaker Outputs
Output Power: 120W per channel (1 kHz sine wave)
Minimum Load:
Low-Z: 4 ohms
High-Z: 25V: 5.2Ω, 70V: 41Ω, 100V: 83Ω
Frequency Response: 20 Hz – 20 kHz ±1 dB (Hi-Z filter off)
THD + N: < 0.05% @ 1 kHz
Protection: Signal limiter, DC, overcurrent, overtemperature
Power & Efficiency
Power Input: 115V / 230V ±10%, 45–65 Hz (selectable)
Fuses: 4A (230V) or 8A (115V), 5×20 mm time delay
Power Consumption:
Idle: 27.5W
1/8th Power: 418W
1/3rd Power: 562W
Heat Dissipation:
Idle: 93.9 BTU/hr
1/8th Power: 1,221 BTU/hr
1/3rd Power: 1,508 BTU/hr
Cooling & Construction
Cooling: 2 × 80mm fans, front-to-back airflow
Dimensions (W × H × D): 19" × 3.5" × 12.2" (2RU)
Shipping Dimensions: 22.8" × 6.7" × 21.5"
Weight: 40.8 lbs (Shipping: 45.5 lbs)
What’s in the Box
Cloud Electronics VA4120 4-Channel Power Amplifier
Power Cord
User Documentation
Recommended for: Multi-zone audio systems in restaurants, hotels, offices, schools, churches, and other commercial venues requiring reliable, high-efficiency amplification for both low- and high-impedance speaker systems.
Shipping Policy
Thank you for choosing Wonder Play Ventures! We are dedicated to ensuring your orders are shipped efficiently and arrive on time. Below are the details of our shipping policies and processes:
Shipping Cost:
Free shipping within the USA.
Order Cut-off Time:
6:00 PM (Monday - Friday) (GMT-05:00) Eastern Standard Time (Detroit)
Order Processing Time:
Orders are processed within 1-2 business days.
Order Transit Time:
Your order will arrive within 4-7 business days.
Shipping Methods:
Most orders are shipped via our trusted third-party freight carriers using 18-wheeler trucks. For items that require freight shipping, we will contact you to arrange a curbside delivery appointment. Please ensure that a valid phone number is provided during checkout to facilitate the delivery process.
Order Confirmation and Tracking:
Upon placing your order, you will receive a confirmation email indicating that we’ve received your order and approved your payment.
You will be notified once your order is shipped, typically within 1-2 business days. The shipment notification will include a tracking number and a link to track your order’s progress.
Can I Change My Address?
If you need to change the shipping address for your order, please contact us within 24 hours of placing your order.
Cancellations:
You may cancel your order at any time before it is dispatched. Once the order has shipped, please refer to our refund policy for further assistance.
Damages and Issues:
Please inspect your order upon delivery. If you notice any defects, damage, or receive an incorrect item, contact us immediately so we can assess the issue and resolve it. We will provide return shipping if the item arrives damaged or incorrect.
Contact: We value your trust and are committed to providing an excellent shipping experience. Should you have any questions or need assistance, don’t hesitate to reach out to our customer service team!
At Wonder Play Ventures, we want you to feel confident in your purchase, which is why we've made our return and refund process clear and easy to follow.
Return Time Frame: You can return items within 30 days of purchase. If more than 30 days have passed, we won't be able to accept the return.
Shipping Costs:
If the item is broken or defective, we will cover the return shipping costs.
If you're returning an item because you've changed your mind, you'll be responsible for the return shipping costs.
Defective or Broken Products: If your product is defective or broken, please contact us within 30 days of receiving it. We will assist you with the return process at no additional cost. Once we receive the returned item and verify the issue, we will provide a replacement or refund, including the cost of shipping.
Change of Mind Returns: If you decide you no longer want the product, you have 30 days to return it. The item must be unused and in its original packaging. You will need to cover the return shipping costs. Once we receive the item, we will refund the cost of the product, excluding shipping charges.
Refunds: Once we receive your returned product and verify its condition, we will send you a confirmation email. Your refund will be processed to the payment method used within 7 business days. Please note, it may take a few extra days for the refund to appear on your bank or card statement. If you haven't received your refund within 10 business days of our confirmation, please contact us at support@wonderplayventures.com.
Please note that depending on the circumstances, a restocking fee may apply. If you have any further questions about returns or refunds, our friendly Customer Support team is here to assist you at support@wonderplayventures.com.
Payment & Security
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