Pioneer SG-550 Equalizer – Practically new + Power cable included (tested). The equalizer is practically like new, both in appearance and function — with no significant scratches or perceptible wear. Green LED lights are present on the equalizer. Pioneer SG-550 (classic 1984 model, Made in Japan), a device highly valued by vintage audio enthusiasts and Hi-Fi system aficionados. This 7-band equalizer lets you precisely adjust the frequency response of your sound system, improving the clarity, balance, and dynamics of the music. Key Technical Specifications Type: stereo graphic equalizer Number of bands: 7 Center frequencies: 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.4 kHz, 6 kHz, 15 kHz Adjustment range: ±10 dB Frequency response: 5 Hz – 70 kHz Signal-to-noise ratio: ≈100 dB Total harmonic distortion (THD): ≈0.005% Inputs/Outputs: RCA L/R Dimensions: 420 × 97 × 216 mm Weight: ~2.8 kg Condition of preservation Equipment in excellent condition Working perfectly All sliders and buttons are operating normally. LEDs working No noises or faults. Ideal for: Vintage sound systems Collectors Audiophiles Retro studios and setups Who wants to improve sound quality with style? Differentials Model increasingly rare in the market Excellent reputation for clean and powerful sound. Classic visual that enhances any rack. To properly deliver this product, it is carefully packed in very sturdy boxes, wrapped in bubble wrap with plenty of filling material. We mainly use plastic as filling material, but if you prefer another material, please contact us. The package will be shipped with insurance to protect both the buyer and the seller. For special packaging requests, please send a message after purchase. Photos serve as additional descriptions of the product's condition / display and LEDs. Please check them carefully before purchasing. Orders to islands or special destinations, such as the Canary Islands, will incur higher shipping costs.