Features: 
<br />  Direct connection via CD changer port with CD quality sound
<br />  Control music files from your car radio panel or steering wheel
<br />  Support USB flash, SD card and 3.5mm jack input
<br />  Built-in high quality MP3 / WMA decoder
<br />  Built-in amplifier chips
<br />  No signal interfere, no battery required
<br />  Smart design and easy to install and use
<br />
<br />Note: 
<br />Not work with Navigation system and XM radio
<br />
<br />Applications: 
<br />  Compatible with Mazda 2004 - 2008 Mazda 3, 2006 - 2009 Mazda 5 ( without entertainment system ), 2002 - 2003 Mazda 6, 2006 - 2008 Mazda 6 ( see note 2 ), 2009 Mazda 6 ( Panasonic / Bose ), 2003 - 2008 Miata / MX5 ( non Bose ), 2002 - 2006 SPD, 2007-2008 CX7 ( non Bose ), 2004 - 2008 RX8 ( see note 3 ), 2002 - 2006 Tribute, 2002 - 2008 Premacy, 1999 - 2003 Mazda 323, 2002 - 2011 MPV, 2003 - 2006 B-series Pickup, 2008 - 2011 BT - 50
<br />  Not compatible with active Satellite radios or Navigation system
<br />  Not all Mazda 6 supports external CDC connection, internal modification might be needed, Mazda 6, produced from Nov. 2003 to Sep. 2005, needs to solder a jumper or a 0-ohm chip register on location L716 in its head unit
<br />  RX - 8 radio firmware version must be V9.55 or later, V10.1 and V9.81 not supported ( note to check the radio firmware is available )
<br />
<br />Specifications: 
<br />  Voltage input: DC 12V
<br />  Max current: 200mA
<br />  Total harmonic distortion: 0.01 percent
<br />  Frequency response: 20Hz - 20KHz
<br />  Working temperature: -30 - 80 Deg.C
<br />
<br />Package weight: 0.188 kg
<br />Package Size(L x W x H): 15.50 x 10.00 x 4.50 cm / 6.1 x 3.94 x 1.77 inches
<br />
<br />Package Contents: 
<br />1 x Car Audio Interface, 
<br />1 x Card Reader, 
<br />1 x English Manual
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