The 11.3 x 7.8 x 5.7-inch (287 x 200 x 145-mm) Boss Katana-Mini X goes on sale from next month for US$149.99, which makes it cheaper than the Spark Mini but Positive Grid's portable smart amp does ...

Despite its compact size, the BOSS Katana-Mini X packs an incredible punch, delivering a full-bodied sound that rivals much larger amplifiers. Seriously, you’d be surprised at the depth of the ...