The 15 Inch Powered PA Speaker STM15-AD delivers powerful sound, smart DSP control, and wireless connectivity in one rugged and portable design. Built for DJs, live performers, and event professionals, this active speaker combines high output with clear audio performance to handle everything from music playback to stage monitoring. Its strong cabinet and ergonomic handles make transport easy, while the durable construction stands up to regular touring use.

With a massive 2000W RMS peak power output, this speaker produces deep bass, punchy mids, and crisp highs that fill large venues with ease. The 15-inch woofer with a 75mm voice coil ensures tight low-frequency response and consistent performance, while the wide 45Hz–18kHz frequency range delivers balanced sound across all genres. High sensitivity of 97dB provides louder output with less power loss, making it ideal for both indoor and outdoor events.

The built-in DSP gives you complete control over your sound. You can adjust EQ, delay, and limiter settings directly from the front panel for precise tuning. A 3-band parametric equalizer, echo effects, and preset modes for vocals, instruments, and DJ playback help you customize audio quickly. Bluetooth 5.0 streaming allows wireless music playback, and TWS stereo linking connects two speakers for a wider soundstage.

Connectivity remains simple and professional with XLR/TRS combo inputs, 1/4″ line input, and an XLR mix output for system expansion. The lightweight PP composite enclosure reduces weight without sacrificing durability, making this 15 Inch Powered PA Speaker perfect for portable PA setups and mobile DJs.

Whether you need live reinforcement, music playback, or stage monitoring, the 15 Inch Powered PA Speaker STM15-AD delivers reliable performance, powerful output, and professional clarity every time.

                                       FAQ SECTION 

1. What is the STM15‑AD?The STM15‑AD is a 15″ powered (active) PA speaker with built-in DSP (Digital Signal Processing) and Bluetooth 5.0 wireless streaming. It delivers 2000W RMS high-power output, precise acoustic control, and versatile connectivity for live sound, DJ playback, portable PA systems, and stage monitoring.

2. What is the power output and woofer specification of the STM15‑AD?

• RMS Power: 2000W (high-power output)

• Woofer: 15″ with a 75mm voice coil

• Impedance: 4Ω

• Sensitivity: 97 dB (1W/1m)
  This combination provides strong, clear sound with excellent bass response and headroom for large venues and outdoor events.

3. What is the frequency response of the STM15‑AD?
The STM15‑AD has a frequency response of 45 Hz–18 kHz (±3 dB), covering low bass to crisp highs. This ensures balanced, accurate reproduction for vocals, instruments, and music across all genres.

4. What DSP features and controls are included on the STM15‑AD?
The STM15‑AD includes built-in DSP with front-panel controls for:

• EQ (equalization)

• Delay

• Limiter
  It also features a 3-band parametric equalizer, echo effects, and preset modes optimized for:

• Vocals

• Instruments

• DJ playback
  This gives you precise control over sound quality and system protection.

5. What effects and stereo linking options does the STM15‑AD support?
The STM15‑AD includes:

• Echo effects for vocals and instruments

• TWS (Stereo Link) for connecting two speakers in stereo mode, creating a wider soundstage
  TWS linking is ideal for larger venues where you need broader coverage and enhanced spatial audio.

6. What inputs and outputs does the STM15‑AD support?
Inputs:

• XLR/TRS combo inputs

• 1/4″ line input

Output:

• XLR Mix Out (for connecting to additional speakers or expanding your system)

This flexibility allows easy integration with mixers, audio interfaces, and multi-speaker PA setups.

7. Does the STM15‑AD support wireless streaming via Bluetooth?
Yes. The STM15‑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, rehearsals, and portable PA use.

8. What are the main applications of the STM15‑AD?
The STM15‑AD is designed for:

• Live sound reinforcement

• DJ/music playback

• Portable PA systems

• Stage monitoring
  Its high power, DSP control, Bluetooth streaming, and versatile connectivity make it suitable for clubs, events, worship spaces, tours, and mobile DJ setups.

9. Is the STM15‑AD rugged and durable for touring?
Yes. The STM15‑AD features rugged construction with:

• Tour-grade durability

• Ergonomic handles for easy transport

• PP composite plastic enclosure that reduces weight without sacrificing strength
  This makes it ideal for touring DJs, live bands, and mobile events that require reliable, portable sound.

10. What are the physical dimensions and weight of the STM15‑AD?

• Dimensions (H×W×D): 780 × 475 × 470 mm (30.7 × 18.7 × 18.5 inches)

• Net Weight: 24 kg (52.9 lbs)

• Gross Weight: 27.04 kg (59.6 lbs)

• Enclosure: PP composite plastic

• Included Accessories: Power cable and user manual

• Optional: Flying hardware (sold separately) for mounting

This design balances portability with powerful output, making it perfect for portable PA setups and mobile DJs.