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    • Home  / Product Manuals & Documentation
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    OEM Systems ArchiTech SE-891E — In-Wall & In-Ceiling Speaker Spec Sheet

    September 08, 2026 1 min read

    Specification sheet for the ArchiTech Premium Series SE-691E/SE-791E/SE-891E in-wall speakers and SC-502E/SC-602E/SC-802E in-ceiling speakers.

    💾 Download Original PDF
    Full text manual (for reference)

    Product spec sheet for the ArchiTech Premium Series in-wall and in-ceiling loudspeakers (OE-SE891E family), featuring rigid captive clamp-ring mounting, fine mesh grilles, and a lifetime limited warranty.

    In-Wall Rectangular Models

    ArchiTech in-wall speaker spec sheet — SE-691E, SE-791E, SE-891E
    In-wall rectangular models SE-691E, SE-791E, and SE-891E with specifications
    Model Description Key Specs
    SE-691E 5¼" long-throw poly woofer with butyl surround, 1" pivoting soft textile dome tweeter 91dB sensitivity, 50Hz–20,000Hz, 30W nom/60W max, 8Ω, cut-out 5 9/16"W x 8¼"H x 2⅜"D
    SE-791E 6½" woofer version, poly-switch overdrive protection, IR knock-out, 12dB/octave crossover (SE-791DE available with dog-ear mounting) 91dB sensitivity, 45Hz–20,000Hz, 40W nom/80W max, 8Ω
    SE-891E 8" long-throw woofer, same tweeter/protection features 91dB sensitivity, 35Hz–20,000Hz, 50W nom/100W max, 8Ω, cut-out 9"W x 13"H

    In-Ceiling Round Models

    ArchiTech in-ceiling speaker spec sheet — SC-502E, SC-602E, SC-802E
    In-ceiling round models SC-502E, SC-602E, and SC-802E with specifications
    Model Description Key Specs
    SC-502E 5¼" poly woofer, ¾" pivoting dome tweeter 91dB sensitivity, 50Hz–20,000Hz, 30W/60W, cut-out 6½" round x 2⅜" deep
    SC-602E 6½" woofer version 45Hz–20,000Hz, 40W/80W, cut-out 7⅜" round
    SC-802E 8" woofer, 12dB/octave crossover 35Hz–20,000Hz, 50W/100W, cut-out 8⅝" round

    Series Features

    • Rigid captive clamp-ring mounting system
    • Fine mesh grilles
    • Lifetime Limited Warranty
    • CEDIA-certified brand (ArchiTech)

    Manufactured by OEM Systems Company, Inc. — 740 Freeport Blvd., #106, Sparks, NV 89431. www.oemsystems.com