Item #1584618 Model #AMS-BB-DIAMON-MK3-PB

BASSBOSS DiaMon-MK3 12" Coaxial Powered Top Loudspeaker Standard


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A compact, lightweight 12" coaxial powered top.

The BASSBOSS DiaMon-MK3 is a super-compact active lightweight 12" coaxial speaker that yields a stunning output-to-size ratio, consistent off-axis response and superior rejection of feedback. This mid-high loudspeaker is best combined with a powerful BASSBOSS subwoofer to create a full-spectrum BASSBOSS experience. The amplifiers and DSP feature powerful 96kHz processors with pristine sound quality and eight touch-of-a-button onboard presets.

The state-of-the-art asymmetrical Class-D amplifier provides a true 1,000 watts of RMS power and features enhanced power allocation between the HF and LF drivers. The fully integrated and comprehensive digital processing ensures smooth response and reliable operation thanks to meticulous filter alignments and multi-stage limiters that protect the drivers from excessive peaks & thermal overload by monitoring real power output over time.

Control BASSBOSS software provides additional computer-accessible presets, networked remote control and remote DSP update capabilities. Each unit features dual ethernet ports with a built-in network switch for computer connectivity and cascading networking ability. IP65 waterproof connectors provide peace-of-mind in unpredictable environments, and the MK3 line offers 90–250VAC global power compatibility for use all over the world. The DiaMon-MK3 features a 12" woofer and a coaxial 1.4" exit compression driver that flows through the center of the woofer, making it a true point-source cabinet. Both the woofer and tweeter coils share the same magnetic structure to keep size and weight to a minimum aiding in the DiaMon’s extremely compact size.

As a main speaker, the DiaMon can be paired with two double 18" subwoofers and still deliver all the mid-high output needed for a complete experience. As a monitor, it provides tight, punchy performance and doesn’t distort at high levels. As a live reinforcement speaker, this versatile model provides consistent sound quality over a wide dispersion pattern with excellent resistance to feedback. Despite its small and very lightweight form factor, there is nothing small or lightweight about its performance. The DiaMon-MK3 is packed with high-quality components, yielding a sound much bigger than it appears, while maintaining crystal clarity even at the upper limits of its very remarkable capabilities.
  • Frequency response (±3dB): 80Hz–18kHz
  • Maximum sustained output: 123dB SPL, 1 m, 2pi, half-space
  • Max SPL (peak): 133dB
  • Nominal dispersion (H°xV°): 80 x 80 (Conical)
  • Amplification: 1,000W Class-D amplifier
  • Processing: High and low pass, equalization, phase alignment and limiting
  • Enclosure type: 2-way mid-high; direct radiating vented 12" LF, coaxial horn-loaded HF
  • Transducer (low frequency): 12" diameter (300 mm) neodymium motor woofer with 3" (76 mm) copper winding voice coil
  • Transducer (high frequency): 3" (76 mm) diaphragm compression driver on 1.4" throat concentrically mounted wave guide
  • Cabinet construction: 15 mm Baltic birch plywood, with a 35 mm pole socket mount
  • Dimensions (HxWxD): 14" x 14" x 11.5"
  • Net weight: 30.6 lb.


  • Super compact, active lightweight 12" coaxial speaker
  • 96kHz processors with pristine sound quality and onboard presets
  • Class-D amplifier provides a true 1,000 watts of RMS power
  • IP65 waterproof connectors