Buy PA System at Best Prices from Audiotone
If you’re looking for a high-performance PA System for commercial use, the STM15PRO-AD from Audiotone promises to bring you the best in sound performance. This high-tech PA Speaker promises to be flexible and user-friendly for various needs such as events, discos, meetings, religious activities, and outdoor performances.
With premium quality audio solutions available at competitive prices, investing in a highly efficient this system has become simpler with Audiotone. More so, with contemporary features like Bluetooth, the STM15PRO-AD can be touted as an ultimate audio solution.
Description – STM15PRO-AD PA System
The STM15 PRO-AD is a powerful, all-in-one PA solution designed specifically to deliver a professional audio level of performance. A well-designed speaker, this product serves perfectly as a high-output Bluetooth PA speaker, offering crystal-clear highs, rich mids, and deep bass responses.
Its design ensures that it works well as a multimedia speaker system since it is capable of connecting wirelessly. This ensures that connecting your device becomes an easier option with the bluetooth system. If you require a reliable bluetooth speaker for live events or a quality public address system for announcements, the STM15PRO-AD delivers on performance.
Additionally, this model is compatible with speakers PA subwoofers. In that case, you can expand your setup to suit larger venues.
Factors to Consider Before Buying a PA System
Choosing the right PA system requires evaluating a few important factors to ensure it matches your sound requirements:
- Sound Output & Coverage: A professional PA speaker should ensure clear sound for both small and large spaces.
- Connectivity Options: Features such as the inclusion of a bluetooth system enable the streaming of audio.
- Application Type: Whether for DJs, live shows, or announcements, a PA system needs to meet your particular needs.
- Expandability: PA subwoofers’ compatibility with speakers adds room for further upgrading in the future.
- Build Quality: A robust enclosure is also essential for durability, particularly when used in commercial settings.
The STM15PRO-AD checks all these boxes, making it a dependable choice for professionals.
Why Choose Audiotone for Your PA System?
Audiotone is a trusted brand in professional audio equipment, known for quality, performance, and reliability. When you choose Audiotone, you get:
- High-performance PA systems built for professional use
- Advanced features like Bluetooth connectivity
- Durable designs suitable for commercial environments
- Excellent sound clarity and consistent output
- Strong after-sales support and brand trust
The STM15PRO-AD PA system is built for users who demand powerful sound, modern features, and long-lasting performance.
Upgrade Your Sound Experience
Choose the STM15PRO-AD PA system from Audiotone and experience professional-grade audio for every event.
FAQ SECTION
1. What is the STM15PRO‑AD?
The STM15PRO‑AD is a 15″ professional monitor PA speaker with built-in DSP (Digital Signal Processing) and control software. It delivers 2200W RMS high-power output, precise acoustic control, and versatile connectivity for stage monitoring, live sound, DJ setups, and portable PA systems.
2. What is the power output and woofer specification of the STM15PRO‑AD?
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RMS Power: 2200W (high-power output)
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Woofer: 15″ with a 75mm voice coil
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Impedance: 4Ω
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Sensitivity: 98 dB (1W/1m)
This combination provides strong, clear sound with excellent bass response and headroom for large venues.
3. What is the frequency response of the STM15PRO‑AD?
The STM15PRO‑AD has a frequency response of 40 Hz–20 kHz (±3 dB), covering the full audio spectrum from deep bass to crisp highs. This ensures accurate reproduction for vocals, instruments, and music.
4. What DSP features and controls are included on the STM15PRO‑AD?
The STM15PRO‑AD includes built-in DSP with front-panel controls for:
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EQ (equalization)
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Delay
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Limiter
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Crossover
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3-band parametric equalizer
It also offers 4 preset modes optimized for: -
Vocals
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Instruments
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DJ use
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General music playback
This gives you precise control over sound quality and protection for your system.
5. What inputs and outputs does the STM15PRO‑AD support?
Inputs:
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XLR/TRS combo inputs
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1/4″ line input
Output:
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XLR Mix Out (for connecting to additional speakers or amplifiers)
This flexibility allows easy integration with mixers, audio interfaces, and other PA systems.
6. Does the STM15PRO‑AD support wireless streaming?
Yes. The STM15PRO‑AD includes Bluetooth 5.0 for wireless streaming. You can connect smartphones, tablets, or laptops to play music directly without cables, making it ideal for DJ playback, background music, and portable PA use.
7. What are the main applications of the STM15PRO‑AD?
The STM15PRO‑AD is designed for:
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Stage monitoring
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Live sound reinforcement
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DJ/music playback
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Portable PA systems
Its high power, DSP control, and versatile connectivity make it suitable for clubs, events, worship spaces, tours, and installed sound.
8. Why is the STM15PRO‑AD engineered in England and what does that mean?
The STM15PRO‑AD is engineered in England for premium acoustics, meaning it benefits from:
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Advanced acoustic design
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High-quality tuning for clarity and balance
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Professional-grade performance standards
This ensures the speaker delivers superior sound quality and reliability for professional use.
9. Is the STM15PRO‑AD rugged and durable for touring?
Yes. The STM15PRO‑AD features rugged construction with:
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Tour-grade durability
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Ergonomic handles for easy transport
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P.P. (polypropylene) plastic composite enclosure for strength and resistance to wear
This makes it ideal for touring DJs, live bands, and mobile events.
10. What are the physical dimensions and weight of the STM15PRO‑AD?
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Dimensions (H×W×D): 780 × 475 × 470 mm (30.7 × 18.7 × 18.5 inches)
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Net Weight: 22.5 kg
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Gross Weight: 25.05 kg
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Enclosure: P.P. plastic composite
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Included Accessories: Power cable and user manual
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Optional: Flying hardware (sold separately) for mounting
This compact yet powerful design balances portability with high-performance output.

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