The term 'BLASTER NEED' is composed of two words: NITRO (5 letters) and AMP (3 letters). NITRO is a chemical compound used as an oxidizer in rocket propellants, explosives, and fireworks. It is also used as a fuel additive to increase the power output of engines in cars, motorcycles, and boats. AMP is an abbreviation for 'AMPLIFIER, ' which is an electronic device that increases the strength of a signal. Together, these two words refer to the need for a powerful AMPLIFIER to provide enough power to detonate explosives.