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Black rectangular projector lamp module with metal housing and glass bulb visible through front opening

DynamicLamps

DynamicLamps A+K 21 231 Compatible Projector Lamp Module

SKU CH-MDH9-1WBBE

Compatible replacement lamp module for AstroBeam X311 projectors using part number 21 231

  • Product typeProjector Lamp
  • Compatible replacement lamp restores projector brightness
  • Fits AstroBeam X311 models for direct installation
  • Replaces part numbers 21 231 and 21231 exactly
  • New module delivers reliable illumination for presentations

A+K 21 231 Compatible Lamp Module

The DynamicLamps A+K 21 231 is a replacement projector lamp module designed for specific AstroBeam X311 models. It fits projectors using part numbers 21 231, 21-231 and 21231. This new component restores brightness for compatible units.

Standard operating thermals and power draw

The module operates within the thermal and electrical limits defined by the original projector design. Normal use produces typical lamp heat and fan noise consistent with the host device. Power consumption matches the specifications of the original 21 231 lamp assembly.

How it compares

Measured against everything we stock in Projector Mounts & Add-Ons, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 60% of the 5,120 comparable items (median $52.99).

Specifications

Product
Product typeProjector Lamp

Questions about this item

How is the A+K 21 231 lamp module installed in the AstroBeam X311 projector?

Power off and unplug the projector, let it cool completely, remove the lamp cover screw, pull out the old module by its handle, insert the new A+K 21 231 module until it clicks, replace the cover screw, then reset the lamp timer in the projector menu.

What maintenance or replacement will the A+K 21 231 lamp module need later?

The lamp will dim over time; replace it when brightness drops or the projector signals end of life, clean the air filters regularly to prevent overheating, and reset the lamp hour counter after each new module installation.

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