<span class="css-11oczh8 eytdjj00"><span class="css-168ydy0 eytdjj01">The 4-MASS design in BLUE LAVA enhances vibrations<br />of the guitar top, back, side, and neck,<br />delivering full and balanced tones.<br /><br />The reinforced internal structure extends low frequency<br />vibration towards the end of the soundbox and makes<br />broader space for high frequency vibration around the<br />soundhole.</span></span>
