Boschmann 5.25" 300 Watt 3-Way Coaxial Car Audio Speakers Pair

XJ3-553B - 5.25-inch car stereo speakers

Crafted for the adrenaline-fueled New Zealand car enthusiast, the Boschmann XJ3-553B 5.25" 300 Watt 3-Way Coaxial Car Audio Speakers Pair offers an exhilarating audio experience. With a peak power of 300 Watts and a 3-way coaxial design, these speakers deliver dynamic sound across highs, mids, and lows, ensuring every beat resonates with intensity. Engineered for endurance, they withstand high-speed drives, boasting durability on the road. Whether navigating city streets or tearing up the track, the XJ3-553B speakers envelop you in clear sound, enhancing your driving adventure with excitement. Elevate your journey with Boschmann's innovation in car audio technology.

Special Edition Premium Line Series - At BM Audio Labs we spend thousands of hours on end designing, testing, listening & perfecting them to qualify the term performance. Each unit is masterly crafted to become exceptional loudspeaker drivers before being carefully packaged. 

Upgrade your front door speakers or larger dash mounted speakers with new Boschmann XJ3 Premium Series XJ3553B 300W 3-Way car audio speakers.  These High Clarity Coaxial 5.25" full range car speakers produce superb sound & impressive bass beat, considering they're only 5.25 inches!

Giving your car audio system the Boschmann car speaker upgrade, especially with the 130mm 300-Watt 3-way Boschmann XJ3-553B car speakers, will amaze you mightily for the clarity and power of the sound in your car.


  • Dynamic Power: With a peak power of 300 Watts, these speakers deliver robust and immersive audio performance, ensuring an exhilarating driving experience.
  • 3-Way Coaxial Design: Equipped with a 3-way coaxial speaker system, they reproduce highs, mids, and lows with precision, resulting in balanced and immersive sound reproduction.
  • Durable Construction: Built to endure high-speed drives, these speakers feature sturdy construction for reliability on the road.
  • Crisp Sound Quality: Crafted with precision engineering, they offer clear sound reproduction, capturing every detail of your music.
  • Versatile Compatibility: Suitable for various car audio setups, these speakers offer flexibility in installation and integration.


  • Silicon Oxygen Tetra-hedra Core High Frequency Dome Drivers
  • 5.25-inch Full Range Coaxial 3-Way Loudspeakers
  • BM Audio Self Stabilizing Shock Absorbent Magnet Design
  • Gold-plated High Grade Pure bass Speaker Terminals
  • 300W peak power ensures immersive audio performance.
  • 3-way coaxial design for balanced sound reproduction.
  • Sturdy build withstands high-speed drives.
  • Clear sound quality captures music details.
  • Compatible with various car audio setups for versatility.

SPECIFICATIONS (each speaker)
:: Max Power: 300 Watts
:: Continuous RMS Rating: 100 Watts
:: Recommended Amplifier Power: 5-100 Watts Per Channel RMS
:: Frequency Response: 50Hz - 23,000Hz
:: Sensitivity: 90dB/w*m(SPL)
:: Nominal Impedance: 4 Ohms
:: Maximum outside speaker diameter: 5.25" / 130mm
:: Mounting Points *C/C: 100mm x 140mm
:: Mounting Depth: 48mm
:: Magnet Diameter: 87mm
:: Required clearance above mounting surface (tweeter protrudes): 9mm
:: Speaker Weight (each): 540grams


:: 2x 300W 5.25” Speakers
:: Speaker Covers: Yes
:: Installation accessories: speaker wire
:: Supplied in appealing retail packaging with cardboard molded protection

* 3 Year Boschmann NZ manufacturer's warranty, covering poor workmanship & faulty materials
* 5 year warranty when installed by a car audio installation company*

Boschmann New Zealand Recommends
If you want the best performance from your car audio/car stereo speakers, then Boschmann New Zealand strongly recommends the use of a quality speaker / sub cable. You’ll be amazed at the difference this will make to your sound quality. It is definitely well worth the minimal cost involved to replace the factory speaker cable.

:: C/C: Measured from the centre of the mounting holes.