The majority of fishermen on Facebook recommend the Garmin Striker 4 as an excellent choice for those looking for an affordable sonar. It is repeatedly praised for its performance and value for money. Some reviews even point out that it's available as a portable package, which can be handy for those fishing from different boats.
In addition to the Garmin Striker 4, the Helix 5 was also mentioned. One user described it as a "game changer" compared to the Garmin Striker 4, suggesting that it offers superior functionality, although it may be a little more expensive.
One point to note is the importance of maps for your sonar. One of the commentators mentioned that the map was not included with his Lowrance hook5 sonarThis can add extra costs. It is therefore advisable to check whether the card is included with the sonar you are considering, as this may affect the overall cost.