4 Inch Full Range Speaker – Award S420 4 Ohm 20W RMS
The Award S420 is a compact, high-efficiency 4 inch full range speaker driver engineered for custom audio installations, DIY speaker cabinets, and compact home or car audio retrofits. Operating at a 4 Ohm nominal impedance with a true 20 Watts RMS power handling (75 W peak), this single-driver solution delivers a seamless acoustic output across mid and high frequencies without requiring a complex multi-way crossover network.
🔊 Key Features
- 20 Watts RMS power rating
- Peak power: 75 watts
- 4 Ohm nominal impedance
- Resonance frequency: 160 Hz
- Single-driver design for compact audio projects
- Suitable for compatible DIY speaker builds
- Can be considered for speaker replacement applications
- Useful for custom speaker cabinet projects
🎵 Full-Range Audio Performance
The Award S420 features a lightweight, treated paper cone paired with a high-compliance surround to maintain linear travel and clear transient response. Because one driver handles the bulk of the vocal and instrumental range, it simplifies cabinet construction dramatically.
To maximize the low-end performance and control cabinet resonances around its 160 Hz Fs, we recommend mounting this driver inside an acoustic suspension (sealed) box lined with light damping material, or cross-indexing it with an active high-pass filter if paired alongside a dedicated subwoofer.
🎯 Applications
The Award S420 speaker is a practical option for compact DIY audio projects where a single driver can reproduce a broad range of sound frequencies. Always check the enclosure dimensions and amplifier compatibility before installation.
- Custom DIY Bookshelf Speakers: Use this 4 inch full range speaker to build lightweight desktop monitors or minimalist soundbars
- Compact speaker cabinet builds
- Custom audio systems
- Compatible replacement speaker applications
- Small indoor audio projects
- Speaker prototypes and hobby electronics projects
💡 Full-Range Speaker Design & Value
A full-range speaker can be a practical choice for builders who want a simpler speaker configuration. Using a single driver may reduce wiring complexity and eliminate the need for a separate woofer-to-tweeter crossover in some designs.
Choosing a quality 4 inch full range speaker can be a practical choice for builders who want a simpler speaker configuration.
📊 Technical Specifications
- Brand: Award
- Model: S420
- Speaker Type: Full-Range Speaker
- Speaker Size: 4 Inch
- Nominal Impedance: 4 Ohm
- Power Handling: 20 Watts RMS
⚙️ Installation Guidance
- Confirm that the amplifier supports a 4 Ohm speaker load.
- Check the speaker’s mounting diameter and available installation depth.
- Secure the driver firmly to prevent unwanted vibration.
- Use an enclosure suitable for the driver’s specifications.
- Keep the amplifier output within the speaker’s rated power limits.
- Follow the manufacturer’s recommendations for wiring and installation.
⭐ Why Choose the Award S420 4 Inch Speaker?
Unlike generic replacement drivers, this premium 4 inch full range speaker matches an approachable footprint with a highly responsive motor assembly. By offering clean mid-range presence and sharp high-frequency extension out of a single point source, it cuts down your component expenses—no separate tweeters or multi-way crossover networks required.
For a successful installation, ensure that the driver’s physical dimensions, electrical requirements, and enclosure design match your intended application.
📦 Package Includes
- 1 × Award S420 4 Inch Full-Range Speaker
⚠️ Brand Disclaimer
Award is identified as the brand of this speaker product. All brand names and trademarks remain the property of their respective owners.
❓ Frequently Asked Questions
1. What is the size of the Award S420 speaker?
The Award S420 is a 4 inch full-range speaker driver.
2. What is the impedance of the Award S420?
The nominal impedance is 4 Ohms. Check that your amplifier supports a 4 Ohm speaker load before connecting it.
3. What is the RMS power rating of this speaker?
The stated power rating is 20 Watts RMS. Use an amplifier and settings appropriate for this rating.
4. What is a full-range speaker?
A full-range speaker is designed to reproduce a broad range of audio frequencies using one driver. Its actual frequency coverage depends on the driver’s design and operating conditions.
5. Can I use the Award S420 for a DIY speaker cabinet?
Yes, it can be considered for a DIY cabinet if the enclosure, mounting dimensions, and amplifier requirements are compatible with the driver.
6. Can I connect this speaker to any amplifier?
No. The amplifier must support a 4 Ohm load and should be operated within the speaker’s 20W RMS rating. Check the amplifier and speaker specifications before connecting them.
7. Does this speaker require a crossover?
A single-driver full-range design may not need a separate woofer-to-tweeter crossover. However, the requirements depend on the overall system design and the intended application.
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