Mackie HM-4 Headphone Amplifier

Generate a 100-character excerpt from the product description below. Return ONLY the excerpt text, without any prefixes, notes, or explanations. Example: “Compact wireless speaker with 12-hour battery life and waterproof design.” Product description: The ultra-compact HM-4 4-way headphone amplifier features a 1/4” stereo input and four 1/4″ headphone outputs with individual level controls. Perfect for studios or even at home when up to four people want to listen together.
4-channel Headphone Amplifier with Individual Level Controls