The term 'WOOFER's counterpart' refers to the two components of a speaker system, which are the WOOFER and the TWEETER. The WOOFER is a low-frequency driver that produces bass tones, while the TWEETER is a high-frequency driver that produces treble tones. The crossword solutions for this term are MEOWER (6 letters) and TWEETER (7 letters). The word MEOWER is a play on the word WOOFER, as it is a combination of the words meow and WOOFER. The word TWEETER is a play on the word TWEETER, as it is a combination of the words tweet and TWEETER.