irock! 300w Owner'S Instruction Manual Download Page 3

THIS WARRANTY DOES NOT APPLY TO THE 

300w 

THAT HAS BEEN DAMAGED AS A 

RESULT OF IMPROPER MAINTENANCE, ACCIDENTS, IMPROPER VOLTAGE SUPPLY, OR 
OTHER MISUSE.  THE WARRANTY IS ALSO VOID IF THE OWNER REPAIRS OR MODIFIES 
THE PRODUCT IN ANY WAY.  FIRST INTERNATIONAL DIGITAL IS NOT LIABLE FOR ANY 
INCIDENTAL OR CONSEQUENTIAL DAMAGES WITH REGARD TO THIS PRODUCT.  THE 
WARRANTY EXCLUDES ANY LIABILITY OTHER THAN WHAT IS STATED ABOVE.  NO 
OTHER WARRANTIES ARE GIVEN. 
 
Important note: Only use 2 “AAA” batteries as power for the 

300w.  

Use of any other power supply will 

void this warranty. 

 
Specifications 

Modulation --------------------------------------------------------------------------- FM Stereo Modulation 
Frequencies  -------------------------------------------------------------------------- 88.1, 88.3, 88.5, 88.7 MHz 
Audio Input Connector  ------------------------------------------------------------ 1/8-inch (3.5mm) Stereo Plug 
Power Requirement ----------------------------------------------------------------- 2 “AAA” Alkaline Batteries 
Battery Life  -------------------------------------------------------------------------- >20 hours typical 
Size ------------------------------------------------------------------------------------ 

2.0” x 3.0” x 1.0” 

Stereo Separation  ------------------------------------------------------------------- >

45 dB 

Signal Distortion  -------------------------------------------------------------------- L

ess than .5% 

Frequency Response  --------------------------------------------------------------- 

50 Hz to 15 kHz 

Operating Range  -------------------------------------------------------------------- 1

0-30 feet 

                 

{Depending on the quality of the FM radio receiver (limited by FCC regulations)} 

 
FCC Information

 

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 
(1) this device may

 

not cause harmful interference, and (2) this device must accept any interference 

received, including interference that may

 

cause undesired operation.  

 
In order to maintain compliance with FCC regulations shielded cables must be used with this equipment.  
Operation with non-approved equipment or unshielded cables is likely to result in interference to radio & 
television reception. 
 

CAUTION: 

Changes or modifications not expressly approved by First International Digital may void the 

user’s authority to operate this equipment. 
 

NOTE:

  This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant 

to part 15 of the FCC Rules.  These limits are designed to provide reasonable protection against harmful interference 
in a residential installation.  This equipment generates uses and can radiate radio frequency energy and, if not 
installed and used in accordance with the instructions, may cause harmful interference to radio communications.  
However, there is no guarantee that interference will not occur in a particular installation.  If this equipment does 
cause harmful interference to radio or television reception, which can be determined by turning the equipment off 
and on, the user is encouraged to try to correct the interference by one or more of the following measures: 

 

Reorient or relocate the receiving antenna 

 

Increase the separation between the equipment and the receiver 

 

Consult the dealer or an experienced radio/TV technician for help 

 

First International Digital, Inc  

 

 

 

 

135 West Central Road 

 

 

 

 

Website: www.myirock.com 

Schaumburg, IL 60195  

 

 

 

 

Email: [email protected] 

 

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