EXHIBIT 4.3 HIGHAM, MCCONNELL & DUNNING LLP 28202 Cabot Road, Suite 450 Laguna Niguel, California 92677 Tel: 949/365-5515 Fax: 949/365-5522 March 23, 1999 Alfred H. Falk President e.Digital Corporation 13114 Evening Creek Road South San Diego,...

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                                                                     EXHIBIT 4.3





HIGHAM, XXXXXXXXX & XXXXXXX LLP
00000 Xxxxx Xxxx, Xxxxx 000
Xxxxxx Xxxxxx, Xxxxxxxxxx 00000
Tel:  949/000-0000
Fax: 949/000-0000


March 23, 1999


Xxxxxx X. Xxxx
President
x.Xxxxxxx Corporation
00000 Xxxxxxx Xxxxx Xxxx Xxxxx
Xxx Xxxxx, Xxxxxxxxxx 00000

Re:  Amendment No. 4 to Engagement Letter/Service Agreement

Dear Xxxx:

The Engagement Letter/Service Agreement entered into between the parties on
September 25, 1996 is hereby amended, as follows:

     1. Higham, XxXxxxxxx & Xxxxxxx LLP hereby agrees to accept in payment of
our fees additional shares of common stock in amounts to be periodically agreed
upon by the parties from time-to-time.

     Except as provided herein, all terms and provisions of our September 25,
1996 letter are in full force and effect, and have not been changed, amended or
modified.


Very truly yours,

HIGHAM, XxXXXXXXX & XXXXXXX LLP

/s/ Xxxx X. Xxxxxxx
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Xxxx X. Xxxxxxx


CCB:


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Enclosure

The undersigned hereby agrees to the foregoing.

Dated: March 25, 1999

X.XXXXXXX CORPORATION



By:      /s/Xxxxxx X. Xxxx            
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Title:   President and CEO          
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