1, Connect the subwoofer room corrector in series between the subwoofer source and the subwoofer , as shown in the figure below.

For the specific wiring diagram, see the input and output interface mark on the back panel below.

2. Turn on the power supply of the corrector, enter the length, width and height of the room through the size input button, and the input digital is displayed on the LCD screen, as shown in the figure below on the corrector front panel, and press the OK key after entering the size.

After completing the above operations, it can be used. Compared with the unused corrector, the subwoofer usually has a significant improvement in effect, and you can feel the low frequency relaxation, layered, and powerful.

3.If the effect is not obvious, please first check the full-range speakers in the audio system, whether their low frequency is lower or not? To debug the low frequency to not less than 80Hz, usually the subwoofer is used for the theater system, you can debug through the theater amplifier's pre-menu, all speakers except the subwoofer, the low frequency is adjusted to 80Hz. Let all the low frequencies below 80Hz sound the subwoofer through the corrector.

4.After the subwoofer is corrected by the corrector, because the sound pressure of the standing wave is greatly reduced, the overall sound pressure of the corrected subwoofer will be significantly reduced, and the input level of the subwoofer can be increased.

5. If you want to make more detailed adjustments for the environmental differences in different rooms, you can connect the computer through the USB interface on the back panel for debugging, and we will provide professional debugging software. This item is only for professional video service providers, not for individual users.

Overview of the principle of subwoofer room corrector, in small and medium-sized rooms using subwoofer, the low frequency and ultra-low frequency heard by the human ear is the sound waves emitted by the subwoofer and the room wall, the ground, between the top and other items in the room reflected sound wave superimposed sound wave results, for the vast majority of the use of subwoofer small and medium-sized room, usually cuboid, which room between the three opposite sides (such as the roof surface and the ground) caused by the reflected sound wave (that is, sound wave resonance) strength is the largest, the size of the three opposite sides (length, width and height) are about 3 meters to 8 meters. In this size range, the standing wave frequency point is between 20 Hz and 60 Hz. This is well within the frequency response range of most subwoofers. The sound pressure intensity of low-frequency standing wave is usually much stronger than the sound pressure of other non-standing wave frequencies, so that the human ear's perception of subwoofer sound waves that have not been corrected by the room is usually mostly from the sound of three fixed standing wave frequencies, which is a very blunt and monotonous feeling, because the level of other non-standing waves is relatively weak and suppressed by standing waves, which is the most critical factor that needs to be corrected. In particular, most of the three opposite sides of the small and medium-sized room, the height of the ground and the top surface is the smallest, the standing wave frequency generated by this opposite side is the highest, and the area of this opposite side is the largest, the sound pressure is the strongest, and it will make people feel that the subwoofer frequency is very high and can not sink. Especially when the room size is relatively small, the standing wave frequency is higher and the effect is worse, which makes most people think that the subwoofer cannot show ultra-low frequency in a small room. Subwoofer room corrector, in accordance with the theoretical basis of electroacoustic technology science, powerful supporting DSP circuit design, provides the solution to the above low-frequency standing wave problem, mainly adjust the parameters of the standing wave frequency point, with other frequency bands to achieve balance, product operation is simple, the effect is obvious, so that people can enjoy the pleasure of high-fidelity sound wave reduction after subwoofer room correction