Zaxcom QRX300 ZHD48 High Density Wideband ENG Receiver

Zaxcom QRX300 ZHD48 High Density Wideband ENG Receiver
 Zaxcom QRX300 ZHD48 High Density Wideband ENG ReceiverZaxcom QRX300 ZHD48 High Density Wideband ENG Receiver 

Zaxcom QRX300 ZHD48 High Density Wideband ENG Receiver

  • Digital Modulation: 100% digital modulation for superior audio quality
  • Encrypted Audio: Keeps transmitted audio private

The QRX300 is a special order receiver dedicated to receive a single channel of ZHD48 modulation.
The receiver has very narrow filters that allow for a 50 KHz wide signal to be received with a channel spacing as close as 100 KHz.

The QRX300 is designed specifically for applications where limited spectrum bandwidth is available and a large number of wireless microphones need to be used together and a latency of 18 milliseconds is not a concern. This unit can only receive ZHD48 modulation. It is not compatible with XR, US Mono or ZHD96.

The QRX300 is 200 MHz wide. A tunable tracking front end filter is featured in the QRX300 so you can receive any frequency in any block from 20 through 27 or 512 – 698 MHz while still filtering out unwanted RF.

Receives one channel of 100% digital audio. The QRX300 outputs audio as an analog signal or as an AES digital signal.



Single Mode Receiver Type True diversity single conversion digital demodulator
RF Modulation proprietary digital method
RF Frequency Range 512 to 698 MHz
RF Frequency Step 100 KHz
RF Bandwidth 50 KHz
Channel Separation 100 KHz (200 KHz recommended)
Sensitivity -110 dBm
Antenna Connector 50-ohm SMA female

Receiver Audio – Analog Output (x 1)

Dynamic Range 114 dB
Distortion 0.001%
DAC Bit-depth 24 bits
Connector TA-5M
Audio Output Level Line: -10 to 0 dBm active balanced

Receiver Audio – Digital Output (x1)

Signal Format AES Balanced
Audio Output Connector TA-5M


Weight 6.0 oz (170 grams)
Dimensions 1.25″ x 3.25″ x 5.25″ (32mm x 83mm x 133mm)
External Power 9 to 18 VDC (300mA @ 12VDC)
Internal Power N/A
Display Graphic OLED Display

Delivery Services

At Pinknoise Systems we like to offer our customers a wide choice of delivery options for their orders, and our prices are affordable and competitive. We also use only the best, most reliable couriers and delivery services to get your equipment where it needs to be - quickly and securely. Please find an outline of our services, prices and timescales below.

Delivery Times

Delivery times are based on when the package(s) leaves our premises. Sometimes, due to stock restrictions or a non-completed order, delivery may take longer as there is a delay with couriers, which is unfortunately out of our hands. If your order is urgent, or details change, please do let us know.
For full details, fees, and time schedules, please see our Delivery Information page.

Returns & Refunds

New items: You can return goods you have ordered from us for any reason, at any time within 30 working days of receipt (14 to initiate the process), for a full refund or for an exchange for a different product from our range. Items must be packed suitably and insured for full loss in the event of a delivery problem. Pinknoise Systems will not be responsible for lost or damaged return goods. Lost or damaged goods may affect the level of refund you receive. For full details of our returns policy, please click here.

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Sold out - More soon  

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Delivery hours
UK ORDERS: Order soon for delivery on using our express service

Model:  ZAX-QRX300
Part No.:  QRX300
Manufacturer:  Zaxcom

Contact us for advice

Need advice? Give us a call

(+44) 01453
825 802

International Delivery

International delivery

We ship across Europe and around the world and have a multitude of shipping options available to our international customers during the checkout, including express delivery for urgent orders.


We have a next day shipping option available for the UK with our DPD courier service, which features delivery alerts, personal delivery preferences and driver tracking with the DPD mobile app.


Spread the cost to maximise your capital. Just call our helpful sales team on 01453 825 802, from 9.00am - 5.00pm, to discuss these options and find out what's available to you.

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Zaxcom QRX300 ZHD48 High Density Wideband ENG Receiver

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