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    Eissound (KBSound) 5269C/5289C — In-Wall Bluetooth Audio Receiver Specifications

    September 08, 2026 2 min read

    Specification sheet for the Eissound In-Wall Bluetooth Audio Receiver, models 5269C and 5289C.

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    Full text manual (for reference)

    Specification sheet for the Eissound (KBSound) In-Wall Bluetooth Audio Receiver, models 5269C and 5289C — a flush-mount, in-wall Bluetooth audio receiver for whole-home audio distribution.

    Overview

    The 5269C/5289C is a Bluetooth audio receiver designed to be recessed into a wall box, with a compact face cover. It receives audio via Bluetooth or a 3.5mm audio-in jack and outputs to a speaker (line-level) or through a built-in stereo amplifier, plus an amplifier trigger output for integration with external amplifiers.

    Features

    • Bluetooth audio receiver with an individually assigned Bluetooth identifier (0000–9999) for pairing multiple units without confusion
    • 3.5mm audio-in jack input
    • Power supply: 15VDC
    • Speaker impedance: 4/8/16 ohms; speaker output up to 5W stereo max
    • Line output for connecting to an external amplifier
    • Amplifier trigger output (turns on a connected amplifier automatically)
    • Jumper-selectable volume limitation (Max/Mid/Low) and mono/stereo output mode

    Terminals

    Terminal Function
    V+ 15VDC power input
    GND Ground
    4 Ground
    65 / 66 Audio output — left (65) / right (66)
    62 Amplifier trigger
    L-/L+, R-/R+ Speaker output — left / right

    LED Status Display

    LED State Meaning
    Bluetooth OFF Disconnected, audio off
    Bluetooth Blue flashing Searching for a Bluetooth device
    Bluetooth Blue ON Bluetooth connected
    Audio-In Red ON Audio-In jack activated

    Specifications

    • Dimensions 5269C: exterior 45x45x42mm; cavity 45x45x36mm; face cover 45x45mm
    • Dimensions 5289C: exterior 45x106x45mm; cavity 45x45x36mm; face cover 33x66mm
    • Voltage: 15-16 VDC (terminals VDC/GND)
    • Consumption: ~99-111mA depending on mode (Bluetooth or 3.5mm jack)
    • Input signal (3.5mm jack): 100-550 mVrms; input impedance 7-60 KOhms
    • Speaker output: 5W @ 4Ω, 2.5W @ 8Ω, 1.5W @ 16Ω
    • Line output signal: 1.82 Vrms, ~50Ω output impedance
    • Amplifier trigger signal: 14VDC, ~1KΩ output impedance
    • Left/right channel separation: 58dB
    • Passband: 45Hz - 20,000Hz; Distortion: 0.1%; SNR: 84dB
    • Bluetooth spec: Class 2 BT 2.1 + EDR, A2DP 1.2, AVRCP 1.4
    • Wireless transceiver: 2.4GHz; RF power: 7dBm; Range: up to 10m

    Wiring Configurations

    The receiver supports multiple speaker/power configurations depending on impedance load:

    • 2x4Ω speakers @ 2x10W or 2x5W
    • 4x8Ω speakers @ 4x5W or 4x2.5W
    • 8x16Ω speakers @ 8x2.5W or 8x1.25W

    Line input/speaker output terminals are labeled 66, 65, 4, 62 (line/ground/trigger) and L+/L-/R+/R- (speaker outputs). Power input is 120/230V AC via the included 15VDC/12W power supply.