The Tennis Tower IO Player combines internal oscillation with Sports Tutor's Player Mode and two-line training patterns. It is aimed at facilities and demanding home courts.

Official specifications list 10–85 mph, 1–6 second intervals, 225-ball capacity, heavy topspin/underspin and a 72 lb AC weight. An optional AC/DC configuration adds an internal battery for approximately 4–6 hours of cordless operation.

Elouan Tennis status: not yet field-tested.