RCF S 8028 II Subwoofer & ART 725 MK4 Speakers | Alpha Audio
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ART 725 MK4

Live Sound Speaker

Product Summary

 

ART 725 MK4 is a passive two-way system with an accurate acoustic design for club installations and live music. Thanks to the high quality compression driver with a 3” voice coil and the 15” woofer, the ART 725 MK4 delivers clear high frequencies, punchy bass and full and precise mid frequencies. The new aluminium rear panel is equipped with Speakon in/out connectors.

Product Description

 
TWO WAY PASSIVE SPEAKER

 

  • 1.4" compression driver with 3" voice coil
  • 15" woofer, high power, 3.5" voice coil
  • 133 dB max spl
  • Input Power Rating: 650 W AES

Product Specification

Acoustical specifications


Frequency Response (-10dB): 55 Hz ÷ 20000 Hz
Max SPL @ 1m: 133 dB
Horizontal coverage angle: 90°
Vertical coverage angle: 60°
Directivity index Q: 11
System Sensitivity: 99 dB


Power section


Amplification: Full Range
Nominal Impedance: 8 ohm
Power Handling: 700 W
Peak Power Handling: 2800 W PEAK
Recommended Amplifier: 1400 W
Crossover Frequencies: 1400 Hz

Transducers


Compression Driver: 1 x 1.4'' neo, 3.0'' v.c
Woofer: 15'' neo, 3.5'' v.c


Input/Output section


Input connectors: Speakon® NL4
Output connectors: Speakon® NL4


Standard compliance


Safety agency: CE compliant


Physical specifications


Cabinet/Case Material: PP Composite
Hardware: 2 x M10
Handles: 1 Top, 2 Side
Pole mount/Cap: Yes
Grille: Steel
Color: Black
Dimensions (H x W x D): 27.87” x 17.2” x 15.31” | 708 x 437 x 389 mm
Weight: 45.19 lb | 20.5 kg

 

S 8028 II

BASS REFLEX SUBWOOFER

Product Summary

 

The S8028 II is a very high-output, high power bass reflex subwoofer. The system is equipped with two advanced, hypervented 18” RCF precision woofers mounted in a bass reflex configuration. The cabinet design is optimised to achieve tight and maximised output. Each 18” features massive vented magnets and 4” copper voice coil and represents the state of the art of RCF precision transducers technology. The system is able to produce a Max SPL of 141 dB and handles 3000 Watts AES. The cabinet features two Neutrik Speakon™ connectors in a recessed input plate. A M20 pole mount adaptor is provided on the top of the cabinet.

Product Description

 

  • 2 x 18" high-efficiency 4.0" voice-coil woofer with Inside/Outside Coil Technology
  • 141 dB maximum sound pressure level
  • Response down to 30 Hz
  • System Power rating 3000 Watt RMS
  • M20 standard pole mount in top section of cabinet
  • Baltic Birch cabinet painted with black, heavy duty, textured epoxy
  • Recessed Speakon NL4 Input/Output
  • Protective metal grille, polyester fabric coated
  • The S8028 II is a very high-output, high power bass reflex subwoofer. The system is equipped with two advanced, hypervented 18” RCF precision woofers mounted in a bass reflex configuration. The cabinet design is optimised to achieve tight and maximised output. Each 18” features massive vented magnets and 4” copper voice coil and represents the state of the art of RCF precision transducers technology. The system is able to produce a Max SPL of 141 dB and handles 3000 Watts AES. The cabinet features two Neutrik Speakon™ connectors in a recessed input plate. A M20 pole mount adaptor is provided on the top of the cabinet.

Product Specification

 

POWER SECTION

Amplification: Full Range
Nominal Impedance: 4 ohm
Power Handling: 3000 W
Peak Power Handling: 12000 W PEAK
 
INPUT/OUTPUT 
 
Input connectors: Speakon® NL4
Output connectors: Speakon® NL4
 
PHYSICAL SPECIFICATIONS
 
Handles: Integrated
hand carry: points
Pole mount/Cap: Yes
Color: Black
 
SIZE
 
Height: 639 mm / 25.16 inches
Width: 1045 mm / 41.14 inches
Depth: 770 mm / 30.31 inches
Weight: 80 kg / 176.37 lbs
RCF Speakers Pakistan - Live Sound Speaker - Alpha Audio

S 8028 II

RCF Speakers Pakistan - Live Sound Speaker - Alpha Audio

ART 725 MK4

FAQs – ART 725 MK4 Live Sound Speaker (RCF)

What is the RCF ART 725 MK4 speaker?

The RCF ART 725 MK4 is a professional live sound speaker designed for high-quality audio reproduction in concerts, events, and installations. It delivers powerful output, clear midrange, and precise high frequencies, making it ideal for both indoor and outdoor setups. Alpha Audio offers this premium RCF speaker for clients in Pakistan.

What is the power output of the ART 725 MK4?

The ART 725 MK4 has a high-efficiency Class-D amplifier delivering up to 1400W peak power. This ensures loud, clear sound for medium to large venues without distortion.

Is the ART 725 MK4 suitable for outdoor events?

Yes. The ART 725 MK4 is built with robust materials and can handle both indoor and outdoor environments. For optimal performance outdoors, proper speaker placement and weather precautions are recommended.

What are the connectivity options for the RCF ART 725 MK4?

The speaker comes with XLR input/output connections for seamless integration with mixers, amplifiers, and other professional audio gear. It also supports daisy-chaining for multi-speaker setups.

How does ART 725 MK4 compare with other RCF ART series speakers?

Compared to other RCF ART series models, the 725 MK4 balances high output power with portability, making it ideal for touring, live concerts, and corporate events. It also features advanced DSP for consistent sound quality.

Can I use the ART 725 MK4 for DJ events and live music?

Absolutely. With its wide frequency range and high SPL capability, the ART 725 MK4 is perfect for DJs, bands, and live performances, delivering clear vocals and dynamic music playback.

What is the frequency response of the ART 725 MK4?

The speaker covers a frequency range of approximately 50 Hz – 20 kHz, providing both deep bass and crisp highs for full-range audio performance.

How easy is it to transport and set up the ART 725 MK4?

The ART 725 MK4 is designed for portable live sound applications. It features lightweight, durable enclosures and ergonomic handles, making setup quick and easy.

Does Alpha Audio provide installation and support in Pakistan?

Yes. Alpha Audio offers professional installation, setup, and maintenance services for RCF ART 725 MK4 speakers across Pakistan. Our team ensures your system delivers optimal performance.

Where can I buy the RCF ART 725 MK4 in Pakistan?

You can purchase the RCF ART 725 MK4 directly from Alpha Audio, a trusted distributor of professional audio solutions in Pakistan. Contact us to get pricing, product demos, and installation support.

Are there any warranty options for the ART 725 MK4?

Yes. The RCF ART 725 MK4 comes with an official manufacturer warranty. Alpha Audio also provides local support and service to ensure your speaker remains in perfect working condition.

FAQs – RCF S 8028 II Bass Reflex Subwoofer

What is the RCF S 8028 II Subwoofer?

The RCF S 8028 II is a high‑performance bass reflex subwoofer designed to deliver deep, powerful low‑frequency sound in live sound systems, DJ setups, concerts, clubs, and installation environments. It’s engineered for reliability, punch, and musical accuracy.

What are the key features of the S 8028 II?

Key features include:

  • High‑power bass output
  • Bass reflex design for enhanced low‑frequency extension
  • Robust build quality for professional touring and installations
  • Easy integration with full‑range speaker systems
What is the power handling capability?

The RCF S 8028 II is built to handle high power levels and produce deep, impactful bass without distortion. Exact wattage figures vary depending on configuration, but it’s optimized for professional‑level performance.

How does a bass reflex design benefit audio performance?

A bass reflex enclosure enhances bass efficiency by using a tuned port to reinforce low end. This means louder, deeper bass with less power compared to sealed boxes, making the S 8028 II ideal for large venues and events.

Can the S 8028 II be used outdoors?

Yes. With proper protection from weather and moisture, the S 8028 II can be used in outdoor concerts, festivals, and events, delivering powerful low frequencies over wide spaces.

What speakers pair well with the RCF S 8028 II?

The S 8028 II pairs exceptionally well with full‑range RCF tops such as the ART series (e.g., ART 725 MK4) or other professional loudspeakers. Combining them provides balanced, high‑impact sound for live performance setups.

Is the RCF S 8028 II suitable for DJs and live bands?

Absolutely. Its strong low‑end punch and clarity make it ideal for DJ rigs, band PA systems, clubs, and mobile sound applications where deep bass and high SPL are required.

How easy is it to transport and install?

The S 8028 II is built for professional use with rugged construction and handles for easier transport. It integrates smoothly with existing sound systems via standard input/output connections.

Does Alpha Audio offer installation support in Pakistan?

Yes. Alpha Audio provides professional installation, configuration, and after‑sales support for the RCF S 8028 II across Pakistan, ensuring optimal performance for your audio setup.

Where can I buy the RCF S 8028 II in Pakistan?

You can purchase this subwoofer directly from Alpha Audio – official RCF dealers in Pakistan. Contact us for pricing, demos, and quotation.

Is there a warranty for the RCF S 8028 II?

Yes. The RCF S 8028 II comes with an official manufacturer warranty, and Alpha Audio offers local support and service to assist with any warranty or maintenance needs.

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