Hartke LH500 The LH500, like its big brother the LH1000, features a classic 12AX7 Class-A tube preamp that provides bass players with an 500 watts of power and amazing tone. The LH500 features Treble and Bass Shelving as well as mid peak controls which will allow you to produce a broad range of tonal colors to the amps natural, warm tone. If your looking to shape your sound even further, the LH500 also features Brite and Limiter switches. So much so that they ve almost become too complicated to use and aren t quite user friendly. The LH500 on the other hand doesn t necessitate an engineering degree to adjust your tone. The simplistic and intuitive front panel of the LH500 gives you all of the range and dynamics of more complicated amps but without the headache. Although the LH500 is a perfect complement to the Hartke HyDrive cabinets, it also works as a seamless accompaniment to any bass cab on the market. Rugged Construction Whether your playing small venues or huge stadiums, the power that the LH500 puts out makes this amplifier head ideal for the gigging musician. The LH500 features a light-weight, rugged construction as well as two-rackspace, metal frame chassis,  a steel faceplate and handles which make this amp extremely road-worthy. Reliable Power The LH500's raw, reliable power is also perfect for additional shaping through your effects console or stomp box. With all the necessary features for complete tonal control, along with ample power and rugged design, the LH500 will ensure your bass playing receives the positive attention it deserves. Features: 500 watts of power @ 4 ohms Classic 12AX7 High Voltage Class-A tube preamp circuit Bass and Treble Shelving, plus mid-peak EQ controls Selectable brite switch for added high frequency response Selectable limiter switch with LED indicator Front panel XLR balanced direct output Rear panel 1/4-inch effects loop 1/4-inch output connectors Two-rackspace metal chassis with steel faceplate and handles