用頭戴式耳機，尤其是小型耳機聽音樂，總感到音樂味不夠足，在低頻段的效果更差。因此用本機增強耳機的低頻特性，并采用立體聲反相合成的辦法，加上內藏簡易矩陣環(huán)繞聲電路，能獲得強勁的低音和在較寬的范圍內展寬音域。
本機稱為超級廣場效果。這種扣人心弦的力量，不亞于實況立體聲。
電路原理
本機電路大致可分為下面三部分：
1.由電阻電容組成的低頻增強電路。
2.利用功率放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器" title="放大器">放大器IC的反饋輸入，組成立體聲反相合成電路。
3.利用功率放大器IC,組成頭戴耳機的驅動電路。
從輸入端IC之間的電阻電容起到增強低頻特性的作用，因為加有電位器，低頻部分的增強量可在0--10倍之間連續(xù)可調。
立體聲反相合成電路IC 2腳和8腳的直流耦合電容之后，由0.47UF和50K的電位器組成。在此電路中，把立體聲的廣場效果成分中的高音部分左右分別反相后合成，起到增強效果的作用。
用東芝TA7376P推動頭戴式耳機。這種IC內藏兩個通道，外接元件少，可在低電壓下工作。負載阻抗較低時，可重放出動人效果的低頻聲音 。
電源若改用5#電池，用四只串聯(lián)，電壓為6V，可直接驅動高輸出的揚聲器。若將三個200UF/10V的電容增加到1000UF左右，可獲得更好的效果。
元件
所有元件沒有什么特殊的。電阻均為1/8W。0.1UF和0.47UF的電容用獨石電容,其它的用電解電容。電位器中，20K為雙連電位器，50K用帶開關電位器。插頭用立體聲插頭。
制作
制作極其簡單，即使是初學者，有一天的時間就足夠了。要留心IC的腳和電解電容的極性。
電位器的接線比較凌亂，不要搞錯了。若沒有接線錯誤和焊接不良，一定會馬到成功。
接入頭戴式立體聲耳機或普通耳機，裝入電池，打開開關。若兩個旋鈕配合得好，收聽音樂可得到極其感人的效果，。根據(jù)聆聽的音樂和音源適當?shù)恼{整，這就是本機的使用方法要點。
不用說，和小型音響，電視，CD相連會得到更佳的效果。
說明：電路原理圖中，W1為雙聯(lián)電位器，用于低音增強，W2為調節(jié)混響效果。印刷電路板圖中，A1，A2為左右聲道輸入。電位器W1和W2都固定在盒子的邊緣，其中W2為帶開關的電位器。