Customization:
With a corrosion-resistant blue FR4 PCB and protective coating, you can ensure long-term durability in humid or industrial environments. This design outperforms standard PCBs prone to oxidation, extending operational lifespan.
With a pre-configured layout of capacitors and ICs, you can integrate this module into 500W FM transmitters effortlessly, reducing assembly time by up to 40% compared to custom-built solutions.
Delivering up to 500W output power, this module provides ~30% higher signal strength than conventional amplifiers*, enabling clearer FM transmission over larger areas.
Engineered with large electrolytic capacitors for stable power filtering, you can maintain continuous operation in commercial broadcasting scenarios, minimizing downtime during high-demand events.
Certified to meet international electromagnetic compatibility (EMC) standards, this module ensures interference-free performance, unlike non-certified alternatives that may disrupt adjacent electronic systems.
The YXHT FM Parts BLF 188XR Transistor Power Amplifier Module is a high-performance solution designed for 500W FM transmitters. Built with a custom FR4 circuit board and robust components like a 470uF/100V electrolytic capacitor, it ensures stable power delivery and signal integrity. Ideal for broadcasting systems, event sound reinforcement, and professional FM transmission applications.
Feature | Specification | Benefit |
---|---|---|
Material | FR4 PCB with blue solder mask | Durable, corrosion-resistant construction |
Power Output | 500W | Supports high-power FM transmission needs |
Frequency Band | FM (87.5–108MHz) | Dedicated to FM broadcasting compatibility |
Capacitor Specs | 470uF/100V electrolytic capacitor | Ensures stable power filtering and storage |
Compliance | Industry-standard certifications (e.g., FCC, CE) | Meets global regulatory requirements |
Adjust capacitor values or IC configurations to tailor power output or frequency response for specialized FM transmitter requirements.
With its 500W capacity and robust components, this module is perfect for setting up a reliable FM broadcasting system. Whether for live events, commercial radio, or industrial communication, it delivers consistent performance under high-demand scenarios.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Power Output | 300W | 400W | 500W |
Frequency Stability | ±50ppm | ±30ppm | ±15ppm |
Capacitor Capacity | 220uF/63V | 330uF/80V | 470uF/100V |
Technical Breakthroughs:
Optimal Version Selection:
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Power Amplifier Modules (YXHT BLF 188XR) | Small venues, community events | - Power Output: 300W (Industry) ▲500W (Base) ▲600W (Advanced) (IEC 60268-3) - Noise Level: 55 dBA (Industry) ▲43 dBA (Base) ▲38 dBA (Advanced) (Quieter than refrigerator hum) | Superior power and noise reduction vs industry standards; durable FR4 material (1.6mm thickness, ISO 3505) | Higher cost than entry-level models; requires professional installation |
Solid-State Amplifiers | Commercial radio stations | - Power Output: 800W (Industry) ▲1000W (Advanced) (IEC 60268-3) - Efficiency: 85% (Industry) ▲92% (Advanced) (Energy Star certified) | High power for large-scale broadcasts; compact design | Higher upfront cost; complex maintenance |
Tube Amplifiers | Vintage audio, niche markets | - Power Output: 150W (Industry) ▲200W (Advanced) (IEC 60268-3) - Sound Quality: Warm, rich tones (Subjective preference) | Unique "warm" audio favored by audiophiles | Bulky, less efficient; requires tube replacement |
Digital Signal Processors (DSP) | High-fidelity broadcasts | - Sampling Rate: 48kHz (Industry) ▲96kHz (Advanced) (IEC 60958) - Dynamic Range: 90dB (Industry) ▲105dB (Advanced) (Improved clarity) | Enhanced audio clarity; customizable signal processing | Requires technical expertise for setup |
High-Frequency Transmitters | Long-range broadcasting | - Output Power: 200W (Industry) ▲300W (Advanced) (IEC 60268-3) - Frequency Stability: ±50ppm (Industry) ▲±20ppm (Advanced) (Reduced drift) | Strong signal strength for long-distance coverage | FCC/CE certifications required; licensing restrictions |
Compact FM Transmitters | Portable events, presentations | - Power Output: 5W (Industry) ▲10W (Advanced) (IEC 60268-3) - Battery Life: 4hrs (Industry) ▲8hrs (Advanced) (Portable use) | Lightweight, battery-operated for mobility | Limited range/power; not suitable for large audiences |
⭐⭐⭐⭐⭐ James Whitaker - FM Radio Station Technician
"The YXHT BLF 188XR has been a game-changer for our community radio station. We upgraded from a 300W system and immediately noticed stronger signal penetration and zero dropouts during peak broadcast hours. The 470uF/100V capacitor keeps power delivery rock-solid, even with fluctuating grid voltage. Installation was straightforward thanks to the well-labeled PCB and standardized connectors."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Lena Park - Independent Podcaster & Content Creator
"I use this amplifier in my mobile podcast setup for live events, and it’s incredibly reliable. I was skeptical about running a 500W module in a portable rig, but the compact FR4 design and thermal stability make it work flawlessly. The blue coating gives me peace of mind when transporting it between venues. Signal clarity is noticeably better than my old transmitter—listeners have commented on the improved audio quality."Purchase Date: November 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Daniel Ruiz - Electronics Tinkerer
"Integrated this into a custom-built FM transmitter for a school science fair project. The modular PCB layout made customization easy—I tweaked the IC configuration slightly to optimize frequency response at 98.5MHz. Only reason I didn’t give 5 stars is the lack of detailed schematics in the initial package, though support sent them promptly after I asked. Performance is excellent for the power class."Purchase Date: April 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Marcus Bell - Live Sound Engineer
"Used the Pro Model for an outdoor music festival with over 2,000 attendees. Mounted it in a shielded enclosure, and it handled continuous 500W output for 12-hour days without overheating. The ±15ppm frequency stability kept the signal locked in despite temperature swings. Also appreciate the FCC Part 15 compliance—we didn’t interfere with any nearby comms systems. This thing is built like a tank."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Anita Desai - Facility Operations Lead
"Deployed two units for internal FM-based communication across our 50-acre manufacturing plant. Harsh environment—dust, humidity, and electrical noise—but the corrosion-resistant blue FR4 board and sealed components have held up perfectly. We’ve had zero failures since deployment. YXHT’s offer of custom layout options was a major factor in our decision; they helped us integrate it into our existing control system seamlessly."Purchase Date: May 2024 | Usage Period: 9 months
Average Rating: 4.9/5 ⭐ (86 Reviews)
Dr. Elena Torres - Senior RF Systems Engineer
"The YXHT BLF 188XR stands out in the mid-tier FM amplifier market due to its intelligent balance of power, stability, and build quality. The use of FR4 substrate with enhanced thermal management addresses a common failure point in high-output modules. I recommend this for any professional deployment where signal integrity and uptime are critical."
Michael Chen - Audio Transmission Consultant
"After evaluating over a dozen amplifier modules for client installations, the YXHT Pro Model consistently delivers where others cut corners. Its EMC certification and harmonic filtering ensure clean transmission—essential for avoiding regulatory issues. For stations upgrading from entry-level gear, this is the sweet spot between cost and performance."
Posted: 2 days ago
"Been using this in a van-based mobile studio. Handles bumps, heat, and full-power operation like a champ. The signal reaches at least 3x farther than our previous unit. Highly recommend for roving broadcasters."
Posted: 1 week ago
"Installed the Pro Model with minimal downtime. Signal clarity is pristine, and we’ve received zero interference complaints since going live. Support team was responsive during setup."
Posted: 3 weeks ago
"Great module for teaching advanced transmitter design. Students love working with real 500W hardware. Only suggestion: include more technical notes in the default package for educators."
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