Hybrid tube warmth with modern digital precision.
The YJGO D325J Pro combines a JAN5654 tube preamplifier with a powerful TPA3255 Class D amplifier, delivering rich analog character alongside clean, efficient power. With Bluetooth 5.4, USB, RCA and balanced XLR inputs, a premium aluminum chassis, swappable tubes and op-amps, and an integrated VU meter display, it offers exceptional flexibility for both audiophiles and everyday music enthusiasts.
Original price was: €229.95.€199.95Current price is: €199.95. incl. VAT
The YJGO D325J Pro is designed for listeners who appreciate the musical character of vacuum tubes while benefiting from the efficiency and performance of modern Class D amplification.
Its hybrid architecture combines a JAN5654 tube preamplifier with Texas Instruments’ renowned TPA3255 power amplifier, producing detailed, dynamic sound with the warmth traditionally associated with tube equipment.
Supporting Bluetooth 5.4 with high-resolution audio codecs, USB digital audio, balanced XLR, and RCA inputs, the D325J Pro easily integrates into desktop audio systems, living room Hi-Fi setups, or dedicated listening spaces.
The front-panel VU meters provide a classic Hi-Fi appearance while visually responding to the music, complemented by a solid aluminum control knob for intuitive operation.
One of the amplifier’s standout features is its upgrade potential. Both the vacuum tubes and operational amplifiers are socketed, allowing experienced users to tailor the amplifier’s sound signature through tube and op-amp rolling without permanent modifications.
Built inside a precision-machined aluminum enclosure, the D325J Pro combines modern engineering with timeless Hi-Fi aesthetics, making it suitable for everything from casual music listening to serious desktop audio systems.
Whether you’re upgrading from an entry-level amplifier or building your first dedicated Hi-Fi setup, the YJCO D325J Pro delivers premium sound quality, versatile connectivity, and enthusiast-grade customization in one elegant package.
• Hybrid vacuum tube and Class D amplifier design
• JAN5654 tube preamplifier
• Texas Instruments TPA3255 power amplifier
• ESS DAC for high-quality digital audio conversion
• Bluetooth 5.4 wireless audio
• USB, XLR and RCA inputs
• Supports high-resolution Bluetooth audio codecs
• Swappable vacuum tubes for sound customization
• Swappable operational amplifiers (op-amps)
• Classic analog VU meters
• Precision aluminum volume control
• Solid aluminum chassis construction
• Designed for desktop and home Hi-Fi systems
• Model: D325J Pro
• Brand: YJCO
• Amplifier Type: Hybrid Tube / Class D
• Preamp Tube: JAN5654
• Power Amplifier Chip: Texas Instruments TPA3255
• DAC Chip: ESS ES9039Q2M
• Bluetooth Chip: Qualcomm QCC3084
• Bluetooth Version: 5.4
• Wireless Codecs: LDAC, aptX HD, AAC, SBC
• Inputs:
â—¦ Bluetooth
â—¦ USB Audio
â—¦ Balanced XLR
â—¦ RCA Stereo
• Speaker Output: Dual Channel
• Maximum Output Power:
◦ 300 W × 2 (4Ω)
◦ 150 W × 2 (8Ω)
• Supported Speaker Impedance: 4–8 Ω
• Frequency Response: 20 Hz – 20 kHz (±0.3 dB)
• Signal-to-Noise Ratio: ≥90 dB
• Total Harmonic Distortion: <0.2%
• Chassis Material: Aluminum Alloy
• Power Supply: AC 110–240 V
• Cooling: Passive
• YJGCO D325J Pro Hybrid Tube Amplifier
• Bluetooth Antenna
• AC Power Cable
• Remote Control
• USB Cable
• User Manual
• Bluetooth codec availability depends on the connected source device.
• Maximum output power depends on speaker impedance and operating conditions.
• Vacuum tubes require a short warm-up period for optimal performance.
• Only compatible vacuum tubes and operational amplifiers (op-amps) should be used for replacement or upgrades.
• Always power off and unplug the amplifier before replacing tubes or op-amps.
• VU meter illumination colour depends on the selected version.
• Product appearance may vary slightly between production batches.
