Force 15

A 15-watt bass practice combo with a single 6.5-inch driver in a plywood cabinet with ABS corners. Four knobs, three and a half kilos — the bass amp you carry in one hand.

1. InputPlug your guitar in here.
2. GainSets how hard the preamp is driven — clean when low, overdriven as you turn it up.
3. BassCuts or boosts the low frequencies.
4. MiddleCuts or boosts the midrange — the body of the sound.
5. TrebleCuts or boosts the high frequencies.
6. PowerSwitches the amplifier on — the pilot lamp glows when it is live.