Bosch Security Systems, Inc. · Electronic Components
PH-44R
Headset-Microphone
Part NumberPH-44R
ManufacturerBosch Security Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-01-549-9943 (NSN)
Federal Item NameHEADSET-MICROPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Earphone Impedance Rating150.0 OHMS NOMINAL
Microphone Mounting FacilityADAPTER FASTENED TO LEFT EARPHONE
Connector To Junction Cord Length6.000 FEET
Microphone Element TypeDYNAMIC
Mounting MethodSUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
Earphone Quantity2
Earphone Element TypeDYNAMIC
Frequency Rating300.0 HERTZ NOMINAL
Impedance Rating200.0 OHMS NOMINAL
Vendor Part Numbers300853-401
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is PH-44R available?
We can source PH-44R even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is PH-44R by Bosch Security Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PH-44R has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like PH-44R?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for PH-44R?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.