Hertz Marine HMR 50
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Hertz Marine · Code 78333035
Audio playback
Marine Audio
Manufacturer image — HMR 50.
Image: Hertz Marine
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The audio source unit Hertz Marine HMR 50 has display 3.5” COLOR TFT IPS and management 3 ZONES | 3x L+R (one per zone) (HPF: ALL, 60, 80, 100 Hz on ZONE1 only) audio zones. The connection Bluetooth 5.0 Audio streaming with ID3 Tag Display APTX (CD AUDIO QUALITY) allows playback from a compatible device. The front panel has an ingress protection rating of IP66.
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.
5 documented connections · Sources checked: 2026-10-10
Explore connections, components & diagrams ↗
Equipment connection guide ↗
HMC U1 · 78333101
HMR 50 · 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 50 · 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
HMA USB AUX IN · 78333304
HMR 50 · Direct
USB / AUX
No additional adapter is required for this connection.
Functions: Brings USB / AUX sockets to an accessible location.
Socket extension; it does not add a new source or capability to the main unit.
Hertz Marine — optional accessory tables · Marine catalogue 2.5.2, pp. 58–59 · checked 2026-10-10
HM CAM C01 · 78333405
HMR 50 · Direct
Camera input
No additional adapter is required for this connection.
Functions: Video display from the specific HM CAM C01 camera.
Requires camera power and correct video-input wiring/settings. This relationship does not extend to wireless HM CAM W01.
Hertz Marine — optional accessory tables · Marine catalogue 2.5.2, pp. 58–59 · checked 2026-10-10
HMC D1 · 78333100
HMR 50 · Direct
HMC D1 controller input · 13-pin
Additionally required:1 × 78333300 — HMA C1306
Functions: Full remote HMR 50 operation using an HMC D1 display.
HMC D1 belongs to the HMR 50 family. It is not equivalent to CAPRI HD1.
This path uses HMA C1306 extension cable. The current catalogue specifies 6 m.
HMR 50 — controllers and cables · HMR 50 Owner’s Manual, §10, p. 25 · checked 2026-10-10
Hertz Marine — optional accessory tables · Marine catalogue 2.5.2, pp. 58–59 · checked 2026-10-10
Functions & interfaces
Audio playback
Technical specifications
Equipment type
Source units
Display
3.5” COLOR TFT IPS
Peak power at 4 Ω
4 x 50 W
Protection front view
IP66
Audio zones
3 ZONES
USB / BLUETOOTH
Yes (2A) / 5
Outputs line
2 (1 x L + R per zone)
Output subwoofer (RCA)
1x L+R (LPF: ALL, 60, 80, 100 Hz)
USB
Yes (2A)
Bluetooth
5.0 Audio streaming with ID3 Tag Display APTX (CD AUDIO QUALITY)
Dimensions device
W 146 (5.748) x H 105 (4.134) x D 121 (4.763) mm (values in parentheses are in inches)
Opening installation
W 122 (4.8) x H 52 (2.05) mm (values in parentheses are in inches)
Depth installation
99 (3.89 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