TYPICAL SPECIFICATIONS

Noise

 

Measured RMS, 22Hz to 22kHz Bandwidth

 

Mic E.I.N. @ unity gain,150Ω source impedance

-128dBu

Mix Output, 40 inputs routed to mix

<-82dBu

Group Outputs

<-83dBu

Aux Outputs

<-80dBu

Matrix Outputs

<-89dBu

Crosstalk (@1kHz, typical)

 

Input Channel Mute

<-97dB

Input Fader cut-off

<-95dB

Pan isolation

<-77dB

Mix route isolation

<-97dB

Group route isolation

<-97dB

Adjacent channel crosstalk

<-99dB

Group to Mix

<-89dB

Aux Send pots offness (typical)

<-84dB

Matrix Send pots offness (typical)

<-89dB

Frequency Response

 

Mic/Line Input to any output, 20Hz - 20kHz

<1dB

THD + N

 

Mic sens. -30dBu, +20dBu at all outputs @1kHz

<0.006%

CMRR

 

Typical @ 1kHz

80dB

Input & Output Max Levels

 

Mono & Stereo Mic Inputs

+15dBu

Mono & Stereo Line Inputs

+30dBu

Stereo Returns & Insert Returns

+20dBu

Any output

+20dBu

Nominal Operating Level

0dBu

Headphone Power

2x250mW into 200Ω

Input & Output Impedances

2kΩ

Mic Inputs

Line Inputs and Stereo Returns

10kΩ

Input channels Insert Return

5kΩ with EQ in, otherwise 3kΩ

Mix, Group, Aux, Matrix & Direct outputs

150Ω

Insert sends

75Ω

Recommended Headphone Impedance

50 - 600Ω

GB4 User Guide

35

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Harman-Kardon GB4 manual Typical Specifications

GB4 specifications

The Harman-Kardon GB4 is a sophisticated outdoor speaker designed to enhance audio experiences in outdoor settings. It stands out for its combination of style, durability, and rich sound quality, making it suitable for both casual listening and more intense audio demands during outdoor gatherings.

One of the key features of the GB4 is its rugged design. Built to withstand the elements, it boasts an IP67 rating, which makes it dust-tight and water-resistant. This means you can confidently use the speaker in various outdoor environments, whether it’s a sunny day at the beach or a rainy evening on the patio. The robust construction is complemented by a sleek exterior, allowing it to blend seamlessly into outdoor decor while also making a statement of elegance.

The sound quality of the Harman-Kardon GB4 is another highlight. With advanced audio technologies, including the use of dual passive radiators, the speaker produces a rich and balanced sound that fills outdoor spaces beautifully. Whether listening to music, podcasts, or enjoying a movie night under the stars, users can expect clear highs, pronounced mids, and deep lows. The speaker's 360-degree sound projection ensures that the audio experience is immersive from every angle.

Connectivity is also a strong point of the GB4. Equipped with Bluetooth technology, it allows for easy pairing with a range of devices, including smartphones, tablets, and laptops. The connection is stable, which means you can roam freely while enjoying your favorite tunes without interruption. Additionally, the GB4 supports voice assistants, making it easy to control your music or access information hands-free.

Another innovative feature is its long battery life. The GB4 can provide hours of uninterrupted playback, making it a great companion for all-day picnics or evening gatherings. When it’s time to recharge, the process is quick and efficient, ensuring you won't be away from your music for long.

Overall, the Harman-Kardon GB4 encapsulates the perfect blend of durability, high-quality sound, and modern connectivity. It adds a touch of sophistication to any outdoor setting while delivering audio performance that meets the demands of music lovers and casual listeners alike. With its stylish design and advanced features, the GB4 represents a significant advancement in portable outdoor speakers, ensuring that wherever you go, your sound follows.