Surround Modes

Dolby Pro Logic

Use this mode for films recorded using Dolby Pro Logic Surround. The surround channels have a 20-ms delay.

Phantom

This mode creates surround sound from stereo recordings. The center channel is not used and the surround chan- nels have a 20-ms delay.

Simulated

This mode provides surround sound with no delay for the surround speakers. This is not a Dolby mode.

3-Stereo Mode

Use this mode to play back Pro Logic-encoded films when you do not want the surround channels to play.

Stereo

This mode plays a recording in traditional two-channel stereo.

Test Tone

The test tone is used to cali- brate the volume settings of the speakers. A static noise will be heard cycling, in order, from the front left, center, right, and both sur- round speakers.

Using the remote control, adjust the Center and Surround levels until the vol- ume of all the speakers is the same during the test.

Note: The test tone is used to calibrate the performance of the system. When listening to an actual recording, the volume level of the surround channels is generally much lower than that of the front channels. In fact, when lis- tening to a movie, virtually all of the dialogue and a sub- stantial amount of the effects are reproduced through the center channel.

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JBL ECS300 setup guide Surround Modes, Test Tone
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ECS300 specifications

The JBL ECS300 is an exceptional subwoofer designed for audiophiles and enthusiasts seeking powerful, precise bass performance. As an integral part of JBL’s lineup, this subwoofer blends impressive technology and thoughtful design, providing an immersive audio experience that complements any home theater or music system.

One of the standout features of the JBL ECS300 is its robust 300-watt peak power handling. This power capacity allows it to deliver deep, resonant low frequencies that enhance the overall sound experience. The subwoofer boasts a frequency response range that typically extends down to 30 Hz, ensuring that even the lowest notes are reproduced accurately and with clarity.

Built with a high-efficiency class D amplifier, the ECS300 optimizes power usage, producing more output with less energy consumption. This technology not only contributes to the subwoofer's performance but also ensures that it operates quietly, minimizing distortion while maintaining high output levels. The compact design makes it versatile for various setups, easily fitting into different spaces without compromising performance.

The ECS300 features a front-firing driver and a unique ported enclosure design, which allows for increased airflow and improved bass response. This construction enhances the subwoofer's ability to reproduce bass notes with precision, making it ideal for both music and film applications. The adjustable crossover frequency gives users the ability to tune the subwoofer to the specific needs of their system, ensuring seamless integration with other speakers.

Another noteworthy characteristic is the inclusion of multiple connectivity options. The ECS300 comes equipped with both RCA LFE and line-level inputs, making it compatible with a wide range of receivers and audio sources. This flexibility ensures that users can easily incorporate the subwoofer into their existing systems.

Additionally, the subwoofer is designed with aesthetic considerations in mind. It features a sleek, modern look that fits well with contemporary decor while maintaining the durable build quality JBL is known for. Overall, the JBL ECS300 is a powerful, stylish subwoofer that exhibits remarkable performance and versatility, making it an excellent choice for anyone looking to enhance their audio experience. With its combination of advanced technologies and user-friendly features, the ECS300 stands out in the crowded subwoofer market, delivering deep bass and exceptional sound quality that is sure to impress.
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