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Description

Bosch IFB-325 Portable Single Channel IFB Beltpack W/ 1/4IN Jack

Overview

The Bosch IFB-325 is a portable, single-channel IFB (Interruptible Foldback) beltpack designed for critical communication workflows. It provides a reliable audio interface for talent or crew to receive cues and instructions without disrupting their primary audio feed. This unit is essential in broadcast, live event production, and theater environments where precise timing and clear communication are paramount. The IFB-325 model specifically includes a 1/4 inch jack for versatile connectivity.

Compatibility

This IFB beltpack is designed to interface with standard IFB systems and audio consoles that provide a balanced mono microphone-level input and a balanced mono line-level output. It is compatible with professional audio equipment commonly found in broadcast studios, live sound mixing consoles, and intercom systems requiring a dedicated cueing channel.

Installation Notes

No specific installation tools or complex wiring are required beyond standard audio cable connections. The unit is designed for portable use and can be clipped onto a belt or placed on a surface. Ensure the connected audio source provides appropriate signal levels to avoid distortion or low volume. The 1/4 inch jack accommodates standard audio cables for connection to mixers or other audio distribution points.

What's in the Box

  • 1x Bosch IFB-325 Portable Single Channel IFB Beltpack
Specifications
Mains Power Consumption: 120 VAC, 45 volt-amps
Frequency Response: 50Hz to 16kHz
Signal-To-Noise Ratio: 58 dB
Dimensions: 1.72” high, 19” wide, 15.6” deep
Total Harmonic Distortion: 0.2%
Weight: 10.4 lbs.
Nominal Input Level: -15 dBu to -5 dBu
Microphone Supplied Power: 32 VDC nominal
Microphone Current Draw: 50 to 80 mA
Line Dimensions: 5” high, 3.5” wide, 1.8” deep
Microphone Input Impedance: 470 Ω
Line Input Impedance: 4.7k Ω
Line Weight: 1.0 lbs
Storage Temperature: -WC to 80T
Storage Humidity: 0% to 95%
Operating Temperature: PC to 50T
Operating Humidity: 0% to 95%
Gain: 54 dB to 14 dB
Nominal Output Level: -10 dBu, balanced
Headphone Impedance: 150 to 600½
RTS Intercom Channel Voltage: 14 VAC
RTS Intercom Channel Current: 200 mA
Input Level: 2 Vpp (0 dBu) nominal
Input Impedance: 200½ ±5%
Noise Contribution: Less than -60 dB
Voltage Gain: 27 ±3 dB
Maximum Output: 165 mW into 150½
Headset Connector Type: ¼” Monaural Plug
Intercom Channel Connectors: XLR-3F
Interrupt Channel: -73 dBu
Non-interrupt Channel: -83 dBu
Power Consumption: 150mA maximum
4030 Dimensions: 5” high, 3.5” wide, 1.8” deep
4030 Weight: 0.67 lb
Microphone Input Level: -10 dBu/input
Earset Input Level: 0 dBu/input
Nominal Output Level To User Stations: -8 dBu/unbalanced
Nominal Output Level To SA amplifier: -5 dBu/balanced
Crosstalk: -67 dBu
Crosstalk Between Channels: -64 dBu
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Bosch IFB-325 Beltpack - 1/4IN Jack

$621.00
$462.99

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