

QSC RMX 850a Power Amplifier
KSh 34,000
- High Power Output: Provides up to 2500 watts in a 2RU design or 5000 watts in a 3RU design, offering substantial power for demanding audio applications and large sound systems.
- Enhanced Reliability: High-current toroidal transformers deliver robust 2-ohm performance and low noise, ensuring stable and consistent operation even under heavy loads.
- Reduced Distortion: Independent user-defeatable clip limiters help minimize distortion, allowing for clearer audio reproduction and protecting both the amplifier and speakers.
- Versatile Protection and Performance: Selectable low-frequency filters (30 Hz or 50 Hz) safeguard speakers and increase headroom, while independent DC and thermal overload protection on each channel ensure reliable performance.
- Flexible Connectivity: Includes balanced 1/4″ TRS, XLR, and barrier strip inputs, and touch-proof binding post and Neutrik Speakon® outputs for compatibility with various audio setups.
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The QSC RMX 850a Power Amplifier is a compact, dual-channel amplifier engineered for professional audio applications. With a powerful output of 280 watts per channel at 4 ohms and a bridge-mono mode delivering up to 800 watts, the RMX 850a ensures robust sound reinforcement for live events, installations, and DJ setups.
Its rugged design includes advanced thermal protection and a highly efficient cooling system, ensuring reliability in demanding environments. With features designed to optimize audio performance and protect connected equipment, the RMX 850a is an excellent choice for both seasoned professionals and emerging sound engineers.
Product Specifications
Feature | Details |
Model | RMX 850a |
Power per Channel, Stereo Mode | |
8Ω, FTC 20 Hz–20 kHz, 0.1% THD | 185 W |
8Ω, EIA 1 kHz, 0.1% THD | 200 W |
4Ω, FTC 20 Hz–20 kHz, 0.1% THD | 280 W |
4Ω, EIA 1 kHz, 0.1% THD | 300 W |
2Ω, FTC 20 Hz–20 kHz, 1% THD | – |
2Ω, EIA 1 kHz, 1% THD | 430 W |
Power, Bridge-Mono Mode | |
8Ω, FTC 20 Hz–20 kHz, 0.1% THD | 530 W |
8Ω, EIA 1 kHz, 0.1% THD | 600 W |
4Ω, EIA 1 kHz, 1% THD | 830 W |
Signal to Noise (20 Hz–20 kHz) | -100 dB |
Distortion (SMPTE-IM) | < 0.01% |
Input Sensitivity at 8Ω | 1.15V (+3.4 dBu) |
Voltage Gain | 31.6x (30 dB) |
Output Circuitry | Class AB |
Cooling | Continuously variable speed fan, back-to-front airflow |
Input Impedance | 10 kΩ unbalanced; 20 kΩ balanced |
LED Indicators | Power on: Green; Signal: Yellow; Clip/Protect: Red |
Amplifier Protection | Full short circuit, open circuit, thermal, ultrasonic, RF protection |
Load Protection | Turn-on/off muting; AC coupling |
Product Dimensions (H×W×D) | 89 mm x 482 mm x 404 mm (3.5 in x 19 in x 15.9 in) |
Net Weight | 15.9 kg / 35 lb |
Shipping Weight | 18.6 kg / 41 lb |
Power Requirements | 100, 120, 230 V AC (factory configured), 50–60 Hz |
AC Mains Plug | NEMA 5-15 (for 100/120V); CEE7/7 (for 230V) |
Brand | |
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Series |
QSC Power Amplifiers
QSC power amplifiers are at the heart of the brand’s reputation, designed to provide robust, high-quality amplification for live sound systems and permanent installations. With their unmatched reliability and advanced features, these amplifiers deliver clean, distortion-free sound at any volume level, making them ideal for concerts, theatres, houses of worship and outdoor events.Best QSC Power Amplifiers in Kenya
MODEL | PRICE IN KENYA (Ksh) |
QSC RMX 5050a | 70,000 |
QSC RMX 4050a | 60,500 |
QSC RMX 2450a | 35,000 |
QSC RMX 1450a | 39,000 |
QSC RMX 850a | 34,000 |
QSC PL380 | 24,700 |
QSC GXD4 | 113,100 |
QSC GXD8 | 192,000 |
QSC GX5 | 106,500 |
QSC GX3 | 102,100 |
Key Features of QSC Power Amps
- Efficient Power Output: QSC amplifiers are designed to deliver high wattage with optimal efficiency. Their unique Class D and Class H designs ensure powerful audio performance with reduced energy consumption, making them suitable for demanding audio environments.
- Flexible Power Configurations: Many QSC amplifiers offer flexible configurations, including 2-channel, 4-channel, and 8-channel options, allowing users to choose the right amplifier for their specific needs. This flexibility makes QSC amps ideal for both small sound setups and large-scale audio systems.
- Active Protection Features: QSC power amplifiers come with built-in protection features such as GuardRail, output limiting, overheat protection, and short-circuit protection. These systems ensure the amplifier delivers clean, distortion-free sound while safeguarding both the amplifier and connected speakers from damage.
- Lightweight Design: Despite their immense power, many QSC amplifiers are lightweight and easy to transport, thanks to switch-mode power supplies and compact chassis designs. This makes them perfect for touring professionals and mobile sound systems.
- Networking Capabilities: Many QSC amplifiers are equipped with Q-SYS™, an integrated platform that offers powerful control and monitoring capabilities via a digital network. This system is ideal for larger installations and gives users remote control over multiple amplifiers, optimizing performance in complex audio environments.
- Advanced DSP Integration: QSC amplifiers with built-in Digital Signal Processing (DSP) provide precise control over audio settings, including equalization, delay, and crossovers, ensuring optimal sound quality for any environment.

Nationwide Delivery
No matter where you are in Kenya, our reliable delivery service ensures that your order arrives safely and on time.
Fast and Secure Shipping
We’ve partnered with trusted couriers to provide fast and secure shipping across the country. From Nairobi to the most remote areas, we’ve got you covered.
Delivery Timeframes
- Nairobi and Surrounding Areas: 1 business day
- Major Cities (Mombasa, Kisumu, Nakuru, etc.): 2 business days
- Other Regions: 3-5 business days
Nationwide Delivery
No matter where you are in Kenya, our reliable delivery service ensures that your order arrives safely and on time.
Fast and Secure Shipping
We’ve partnered with trusted couriers to provide fast and secure shipping across the country. From Nairobi to the most remote areas, we’ve got you covered.
Delivery Timeframes
- Nairobi and Surrounding Areas: 1 business day
- Major Cities (Mombasa, Kisumu, Nakuru, etc.): 2 business days
- Other Regions: 3-5 business days
Tracking Your Order
As soon as your order is dispatched, you’ll receive a tracking number to monitor its journey until it reaches you.
Delivery Charges
We offer competitive delivery rates depending on your location and the size of your order. Please refer to our checkout page, where delivery charges are automatically calculated.
Free Delivery Offers
Enjoy free delivery on selected products and promotions. Keep an eye on our website and social media channels for special deals that include complimentary shipping.
Customer Support
Our customer support team is here to assist you with any delivery-related inquiries. If you have questions about your order or need help with tracking, feel free to contact us at any time.
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