If you have any questions regarding the instructions in this manual or any aspect of your amplifier’s operation, please contact your authorized JL Audio dealer for assistance. If you need further assistance, please call the JL Audio Technical Support Department...
Filter Mode Left and Right Frequency Selector Selector (pg. 8) (pg. 7) 2 | JL Audio - 300/4 Owner’s Manual Cooling efficiency Considerations: Your JL Audio amplifier employs an advanced type of heat management, called RealSink™. This feature takes advantage of convection and radiation effects to remove heat from the amplifier circuitry.
ProduCt desCriPtion The JL Audio 300/4v2 is a four-channel full- 3) Connect power wire to the positive battery range amplifier utilizing patented Absolute post. Fuse the wire with an appropriate fuse Symmetry™ Class A/B technology for all block (and connectors) within 18 inches (45 channels.
Right Ch. Filter Freq. (Hz) Left Ch. Right Ch. the JL Audio ECS Speaker Wire to RCA adaptor (XB-CLRAIC2-SW). The “Front Input Section” also contains an “Input Mode” switch to allow operation of all four amplifier channels with one or two pairs of input signals.
–” and “Right +” remain unused). Then connect a mono signal to both left and right RCA inputs for that channel pair. This requires an RCA “Y-Adaptor” like the JL Audio ECS model XB-CLRAICY-1F2M (sold separately). When bridged, each channel pair will deliver optimum power into a 3-8Ω...
JL Audio dealer so top of the amplifier. These are as follows: that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside 1) “Power” (Green): lights to indicate that the the amplifier.
“HP” (high-pass) on the “Filter Type” subwoofer amplifier inputs via a pair of switch and “12dB” or “24dB” on the “Filter “Y-Adaptors” like the JL Audio ECS model Mode/Slope” switch and an appropriate “Filter XB-CLRAICY-1F2M. Alternatively, the Freq.” (again, 80-90 Hz is a good starting point).
5) Using the listings on pages 16 & 17, find the these reasons is ease of setup. Because each configuration that matches your specific JL Audio amplifier will always deliver the speaker impedance as connected to the same amount of power within its operational 300/4v2.
Stereo 1.5Ω: 75w x 2 (set to 10.6 V / ch.) Stereo 1.5Ω: 75w x 2 (set to 10.6 V / ch.) Stereo 2Ω: 56W x 2 (set to 10.6 V / ch.) 16 | JL Audio - 300/4 Owner’s Manual sub-oPtimum ConFigurations (Stereo/Bridged): 1st Pair of Channels (Stereo) Stereo 8Ω: 38W x 2 (set to 17.3V / ch.)
Check the input connectors to ensure that they all are making good contact with the input jacks on the amplifier. 20 | JL Audio - 300/4 Owner’s Manual “my amplifier shuts off once in a while, usually at higher volumes”...
- amPliFiers (usa) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if installation is performed or approved by an authorized JL AUDIO dealer (proof of installation or approval required on purchase receipt).