The Protos Integral 3M Peltor Attachment Brackets (part number PO-203019-10-10, manufacturer part number 203019-10-10) are the Standard variant — designed to mount standard 3M Peltor ear defenders on the Protos Integral helmet, including the Peltor X4 (31 SNR). The slim Peltor X4 is compact enough to park inside the Protos helmet shell when not in use. Supplied as a pair (left and right bracket). Available from Gustharts, an authorised Protos dealer, with UK stock ready to ship. ⚠ These are Standard attachment brackets. They are NOT compatible with Peltor LiteCom, LiteCom Plus or WS LiteCom systems. For LiteCom compatibility, the separate Protos Communication Attachment Arm is required. If you are unsure which variant you need, contact Gustharts before ordering. Key Features Standard Protos 3M Peltor attachment brackets — mounts standard 3M Peltor ear defenders directly onto the Protos Integral helmet Manufacturer part number 203019-10-10 — supplied as a pair (left and right) Peltor X4 (31 SNR) parkable inside the Protos shell — slim X4 profile allows the ear defenders to be stored inside the helmet when not cutting Streamlined design — slim profile maintains full compatibility with Protos visors, neck protection and other helmet accessories without interference NOT compatible with LiteCom, LiteCom Plus or WS LiteCom — these systems require the Protos Communication Attachment Arm variant Designed exclusively for the Protos Integral helmet system Technical Specification Brand Protos Manufacturer Part Number 203019-10-10 Gustharts SKU PO-203019-10-10 Variant Standard — for standard 3M Peltor ear defenders Compatible Helmet Protos Integral Compatible Ear Defenders Standard 3M Peltor ear defenders including Peltor X4 (31 SNR) NOT Compatible With 3M Peltor LiteCom, LiteCom Plus, WS LiteCom — these require the Communication Attachment Arm variant Peltor X4 Parks Inside Helmet Yes Supplied As a pair (left and right) Also Known As Also referred to as Protos Peltor brackets, Protos ear defender brackets, Protos 3M mounting brackets and Protos helmet Peltor adapter. Note that Protos produces two bracket types — Standard (this product, part number 203019-10-10) and Communication (for LiteCom and similar systems). Always specify Standard or Communication when ordering, and confirm the correct variant against your Peltor model before purchasing. Pairs Well With 3M Peltor X4 Ear Defenders (31 SNR) — the confirmed compatible ear defender for these Standard brackets; slim profile parks inside the Protos helmet shell Protos Integral Helmet — confirm your helmet model before ordering Explore More Helmet Spares and Accessories Hearing Protection Protos Integral Helmets FAQs Are these compatible with Peltor LiteCom, LiteCom Plus or WS LiteCom? No. These are Standard attachment brackets and are NOT compatible with LiteCom, LiteCom Plus or WS LiteCom systems. Those require the separate Protos Communication Attachment Arm. Contact Gustharts if you need the Communication variant. Which 3M Peltor ear defenders do these brackets fit? Standard 3M Peltor ear defenders including the Peltor X4 (31 SNR). The Peltor X4's slim profile allows it to be parked inside the Protos helmet shell when not in use. Will fitting these brackets affect visor or neck protection compatibility? No. The slim profile is designed to maintain full compatibility with Protos visors, neck protection and other helmet accessories. How many brackets are included? Two — one left and one right — supplied as a pair in a single purchase. Are these brackets for the standard or communication helmet setup? Standard. These brackets mount standard 3M Peltor ear defenders only. For communication headsets requiring height and pressure adjustment (LiteCom etc.), the Protos Communication Attachment Arm is the correct product.
