MFJ's Deluxe ClearTone is an excellent 1 Watt amplified speaker for QRP, base station HT users, or mobile operation with radios requiring more volume.
MFJ-382 gives superb, loud and powerful ClearTone audio. Speaker is 3 inches. Adjustable from barely audible to high volume, this rugged speaker is sturdy and compact. All metal cabinet with rubber feet measures 3 1/2 x 1 3/4 x 4 1/2 inches.
On/Off button, uses 9 volt battery (not included) or 110 VAC with optional MFJ-1312D $14.95. Speaker cable included.