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JL Audio J2320.4 manual

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Table of contents for the manual

  • Page 1

    Th ank you for p urcha sing a J L Au dio a mplif ier for your autom otive s ound syst em . Y our amplif ie r h as be en d es igne d an d m anufac ture d to ex ac ting stan dard s i n orde r t o en su re yea rs o f mu sic al e njoy ment in your vehicl e. For m ax imum per fo rm ance , we hig hly rec omme nd th at you h ave your ne w amp lif ier ins [...]

  • Page 2

    2 JL Audio 3 PLANNING Y OUR INST AL L A TION I t is importan t tha t y ou take the tim e t o r ead t hi s ma nua l an d t hat you pl an out you r in st al l ation ca ref u l ly . T he fol low in g a re s ome cons idera tion s t hat you mu st t a ke into acc ount when pla n ni ng you r ins ta l lat ion. Cooling Ef ficienc y Considerati ons: The ou t[...]

  • Page 3

    4 JL Audio 5 POWER CONNECTIONS Bef ore install ing the am plifie r , disc onn ect the ne ga tiv e (gro u n d ) wir e fr om the v ehicl e’ s ba t te r y . This will p rev en t acc id en ta l damag e t o the syst em , t he veh icle a nd you r b ody dur i ng i nst a l lat ion. Made in China CHANNEL 1 (L) CHANNEL 2 (R) Bridged Bridged CHANNEL 3 (L) C[...]

  • Page 4

    6 JL Audio 7 Mak e sur e yo u obse rve corr ect polari ty in makin g th e “H igh L eve l In pu t” conn e cti ons . Fa ilur e to do so will reduc e bass an d aff ect stereo imaging. Th e con nec t ions for t he “H ig h L e vel Inputs ” p lu g w ire s a re a s fol low s f rom le f t to ri ght on t he p lug: Channe ls 1 &2 (FR ONT) W hite [...]

  • Page 5

    8 JL Audio 9 “BASS BOOST” CONTROLS Each channel pair of the J 2- 320.4 inclu des a si ngle ba nd , bo ost-on ly bas s e qua l iz er c ontrol le d by a rot ar y k nob m ark ed “ Bas s Bo ost ” . Th is cont rol h as a b oost ra nge of 0 d B (fu l l- counte rclockwise ) to + 12dB ( f ul l-clockwise ) and is c en tered at 45 Hz. HP | Off | LP F[...]

  • Page 6

    10 JL Audi o 11 AMPLIFIER ST A TUS INDICA TOR LIGHTS & PROTECTION CIRCUITRY There are two status ind ica tor lig h ts on the cont rol p ane l of the a mpli f ier. HP | Off | LP Filter Mode High-Pas s L ow-P ass Filter Fr equency (Hz) Filter Fr equency (Hz) Input Sens. Input Sens. CH 3&4 Input Fr om min max min max 60 1. 2k High-Pass 60 1. 2[...]

  • Page 7

    12 J L Au dio 13 APPEN DIX B : J2-320 .4 S pe ci f ica ti on s General Specificat ions: Recommended F use V alue: 60 A Recommended F use T ype: AFS, AGU or MaxiF use™ a t battery, 2 x 3 0A A TC fuses on amplifier cha ssis Input Sect ions: No. of In put s: T wo S ter eo P air s Low-Leve l Inputs: Single-ended with RCA jack inputs Low-Level Input R[...]

  • Page 8

    14 JL Audi o 15 “My amp lif ier tu rns on, but the re is n o ou tpu t ” Che ck the inpu t signa l using an A C voltmeter to measure the vol tage from the so urce unit while an appro priate test to ne is pla yed through the source unit ( disconnect the input cables f rom t he ampl i fi er pr ior to t hi s te st). T he f reque ncy us ed sho uld b[...]

  • Page 9

    16 JL Audi o 17 INSTALLA TI ON NOTES: Use t h is di ag ra m t o doc u ment you r a mpl if i er’ s sw itc h a nd c ontrol po sition s. HP | Off | LP Filter Mode High-Pas sL ow-P ass Filter Fr equency (Hz) Filter Fr equency (Hz) Input Sens. Input Sens. CH 3&4 Input Fr om min max min max 60 1. 2k High-Pass 60 1. 2k 40 15 0 Low- Pass 40 15 0 Of f[...]

  • Page 10

    18 JL Audi o 19 INST ALLA TION NOTES: INST ALLA TION NOTES:[...]

  • Page 11

    LIMIT ED WA RR ANTY  AMP LIFIERS U SA JL Audio warra nts this prod uct to be free of def ec ts in materials and wor k manship fo r a period of o ne ( 1 ) year from the original d at e of purchase. This wa rranty is not transferrable and ap plies o nly to the origina l p urchaser from an au thorized JL Audio dealer . Should serv ice be nece[...]