



SCHOEPS AK Surround M/4U (M/5U)
PRICE ON ENQUIRY
SCHOEPS AK Surround M/4U (M/5U) breakout cable: AES65 multi-pin socket to 4 or 5 XLR-3M for ORTF Surround, ORTF-3D and ORTF-2plus2; H version. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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CABLE
| Input | Multi-pin miniature socket connector, AES65 standard |
| Outputs | 4 × XLR-3M (M/4U), 5 × XLR-3M (M/5U) |
| Heater powering | Via XLR-4 (H version) |
| Cable length | Approx. 60 cm (lengths may vary up to 5 % +/-) |
| Used for | ORTF Surround, ORTF-3D, ORTF-2plus2 |
HEATER POWER (H VERSION)
| PS-H AC power supply | 13 V at 350 mA, included |
| Battery alternative | 12 V DC at 350 mA or more, or constant current 350 mA at min. 20 V open circuit |
ORDER NUMBERS
| AK Surround M/4U | 152403 |
| AK Surround M/5U | 152404 |
| AK Surround H M/4U incl. PS-H | 152402 |
| Splitter box M/6U | 154005 |
| Splitter box 6U/M | 154006 |
Product overview
The SCHOEPS AK Surround M/4U (M/5U) is a breakout cable that divides the signals from a multi-pin miniature socket connector (AES65 standard) to XLR-3M plugs.
The AK Surround M/4U splits to four XLR-3M plugs and the AK Surround M/5U to five. For six-channel applications the M/6U splitter box is available. It is used for ORTF Surround, ORTF-3D and ORTF-2plus2, and the cable length is approx. 60 cm.
The AK Surround M/4U is also available as the AK Surround H M/4U with an XLR-4 connector for heater powering. An AC power supply (PS-H) is then included, which delivers 13 V at 350 mA for the heater built into the windscreen of the ORTF Surround or ORTF-3D system. Instead of the AC power supply, a battery pack can be used (12 V DC at 350 mA or more, or a constant current supply of 350 mA at min. 20 V open circuit).
Key features
- Breakout cable: multi-pin miniature socket (AES65) to XLR-3M
- 4 or 5 channels (M/4U, M/5U); M/6U splitter box for six
- Used for ORTF Surround, ORTF-3D and ORTF-2plus2
- H version with XLR-4 heater powering and PS-H power supply (13 V, 350 mA)
- Cable length approx. 60 cm
Made for
- ORTF Surround, ORTF-3D and ORTF-2plus2 microphone systems
- Matching the ORTF-3D Outdoor Set, Plug&Play Set and ORTF-2plus2 Outdoor Set
- Heated windscreens of outdoor surround systems (H version)
In the box
- AK Surround breakout cable in the version ordered
- PS-H AC power supply with the AK Surround H M/4U
SCHOEPS AK Surround M/4U (M/5U): frequently asked questions
What does the AK Surround cable do?
It divides the signals from a multi-pin miniature socket connector (AES65) to four (M/4U) or five (M/5U) XLR-3M plugs.
What about six channels?
For six-channel applications SCHOEPS offers the M/6U splitter box, and the 6U/M box for the other direction.
What is the H version?
The AK Surround H M/4U adds an XLR-4 connector for heater powering of the windscreen heater in the ORTF Surround or ORTF-3D system; the PS-H AC power supply (13 V, 350 mA) is included.
Can I power the heater from a battery?
Yes, a battery pack with 12 V DC at 350 mA or more, or a constant current supply of 350 mA at min. 20 V open circuit, can be used instead of the AC power supply.
Where can I buy the SCHOEPS AK Surround M/4U (M/5U) in India?
The SCHOEPS AK Surround M/4U (M/5U) is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: ORTF Surround or ORTF-3D to XLR inputs
Surround and immersive recording engineers.
Connections
| Connect | To |
|---|---|
| ORTF Surround / ORTF-3D system | K Surround M cable |
| K Surround M | AK Surround M/4U or M/5U |
| XLR-3M plugs | Recorder or preamp inputs |
Setup
- Connect the multi-pin cable to the AK Surround socket.
- Plug each XLR-3M into its input.
- Record each channel separately.
Tip: For six channels use the M/6U splitter box.
Workflow 2: Heated windscreen outdoors
Outdoor surround recordists in cold or damp conditions.
Connections
| Connect | To |
|---|---|
| AK Surround H M/4U | Recorder inputs |
| XLR-4 | PS-H AC power supply or battery pack |
Setup
- Connect the H version as usual.
- Plug the XLR-4 into the PS-H power supply (13 V, 350 mA).
- The heater in the windscreen of the ORTF Surround or ORTF-3D system is powered.
Tip: Away from mains, a 12 V DC battery pack at 350 mA or more can be used.








