[elecena] ULTDA7850 ULTDA7850 - zmiany ceny Audio Power Amplifier; Po 4x30W @ 4Ω / THD 10%; 8V~18V; -55°C ~ 150°C; ULTDA7850 ULTDA7850 - 20.34 PLN https://elecena.pl/product/23510963/ultda7850-ultda7850 2023-05-23 ULTDA7850 ULTDA7850 - 27.16 PLN https://elecena.pl/product/23510963/ultda7850-ultda7850 2024-05-21 ULTDA7850 ULTDA7850 - 24.74 PLN https://elecena.pl/product/23510963/ultda7850-ultda7850 2025-09-01 ULTDA7850 ULTDA7850 - 20.34 PLN https://elecena.pl/product/23510963/ultda7850-ultda7850 2026-02-27 ULTDA7850 ULTDA7850 - 21.64 PLN https://elecena.pl/product/23510963/ultda7850-ultda7850 2026-04-19