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Dual Op Amp HiFi Sound Replacement Amp Preamplifier Board for DAC Headphone Amplifier CDs Music Players

1�Superior Sound Quality: HiFi amplifier board pure for Marantz HDAM discrete module superb sound rounded vocals good sound throughput three band equalisation to show subtle variations. 2�Excellent Performance Dual operational amplifier is... more

Boaby Preamplifier HIFI Preamp NE5532 Pre-amplificador Kits de placa de tono AC 12V OP-AMP HIFI Amplificador(DIY KIT)

Especificaciones: Modelo: NE5532 Voltaje de suministro: AC 12V Tamaño: 100x43 5 mm Tipo: tablero ensamblado KIT DE BRICOLAJE (¡Necesita soldar usted mismo!） Nota: Permita un error de 1-3 mm debido a la medición manual. Por favor asegúrese de que... more

AIYIMA T2 6K4 Tube Preamplifier Bluetooth 5.0 with Treble & Bass Control HiFi Audio Preamp for Home Audio Amplifier System with DC12V Power Adapter

Product description: Chipset: 6K4+QCC3034+NE5532 QCC3034 Bluetooth: Version 5.0 supports AAC SBC APTX APTX-LL APTX-HD Tube Model: 6K4 Replaceable tubes are: 6J1 6J2 GE5654 6J3 6J4 6J5 6*1N 6AK5 etc. Operational amplifier chip: NE5532*2 Replaceable op... more