Hertz Marine HMR BT
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Hertz Marine · Code 78333015
Audio playback
Marine Audio
Manufacturer image — HMR BT.
Image: Hertz Marine
Discover the product
Audio source unit Hertz Marine HMR BT for the audio system of the vessel.
Compatible equipment
Documented connections for specific catalogue codes, including parts, requirements and manufacturer sources. Selected equipment ranges are covered; an unlisted combination does not imply incompatibility. Each connection path is assessed separately and is not a complete installation design.
2 documented connections · Sources checked: 2026-10-10
Explore connections, components & diagrams ↗
Equipment connection guide ↗
HMC U1 · 78333101
HMR 10 / 10D / 15 / 15D / BT · Direct
3.5 mm wired controller input
No additional adapter is required for this connection.
Functions: Basic audio control from HMC U1.
Functionality and zone assignment follow the capabilities of the specific source unit.
HMC U1 has a separate +12 V wire for button illumination.
Hertz Marine — optional accessory tables · Marine catalogue 2.5.2, pp. 58–59 · checked 2026-10-10
HMC U1 — controller connection · FML004B REV.21C, p. 3 · checked 2026-10-10
HMC U1 · 78333101
HMR 10 / 10D / 15 / 15D / BT · Direct
3.5 mm wired controller input
Additionally required:1 × 78333302 — HMA C3.5
Functions: HMC U1 control over a longer cable run.
HMA C3.5 is intended for the 3.5 mm controller connection.
HMC U1 has a separate +12 V wire for button illumination.
Hertz Marine — optional accessory tables · Marine catalogue 2.5.2, pp. 58–59 · checked 2026-10-10
HMC U1 — controller connection · FML004B REV.21C, p. 3 · checked 2026-10-10
Functions & interfaces
Audio playback
Technical specifications
Equipment type
Source units
Protection front view
IP67
LINE OUTS
1x Stereo RCAs (left and right)
S/N Ratio @ 4Vrms (THD <1%)
93 dB (20 Hz - 20 kHz)
Outputs line
1x Stereo RCAs (left and right)
Bluetooth
5.0 Audio streaming Max distance 10 m / 30 ft.
Opening installation
Ø 45 (1.77) mm (values in parentheses are in inches)
Selection & compatibility
This model is included in our catalogue. The exact configuration, compatibility and supply availability are confirmed when you contact us.
Browse the equipment
Kit contents, interfaces and required accessories are checked for the exact part number. Connection to another system does not mean all functions are built in.
Is it right for your vessel?
Tell us about your vessel, existing equipment and requirements. Elmare will help you choose the right configuration.
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+30 210 400 2538
Elmare · 1 Proussis Street, Keratsini