Ampapa D1 Amp 2x300W SBC/AAC/aptX/aptX-HD

Ampapa D1
Audio input: RCA/TRS/Bluetooth 5.2
Audio output: Banana speaker jacks / Pre-Out
Max. output power: 300W*2 (4Ω）
THD+N: 0.002%
SNR: ≥114dB
Frequency response: 20Hz-20KHz (±0.4dB)
High-pass filter frequency range: 30Hz-200Hz
High-pass fiter roll-off: 12dB per octave
Bluetooth chip: QCC304X
Bluetooth supported codecs: SBC/AAC/aptX/aptX-HD
Input sensitivity: RCA: 2V TRS: 4V
Pre-out rated output level: 3.5V
Matched speaker impedance: 4-8Ω
Treble/bass range: ±10dB
Input voltage: DC 24-48V/ ≥4A 5.5*2.5mm
Ampapa D1 × Douk Audio Collaboration: Built on the acclaimed Douk Audio A5 amp, the D1 retains core features like TPA3255 chip, HPF, PRE-OUT, socketed op-amps—now upgraded with digital VU display, TRS balanced input, Bluetooth 5.2, treble/bass control, remote and more for next-gen HiFi performance.
Digital VU Meters with Retro Soul: D1 features a vibrant OLED screen that merges classic aesthetics with modern utility. Enjoy 7 VU styles in classic yellow, blue, or black and view real-time feedback of all operations and playback. Both stylish and functional, it brings your music to life.
Engineered for True 2.1 Systems: The adjustable 30–200Hz high-pass filter removes low frequencies from the main output, letting your stereo speakers focus on mids and highs with better clarity, while PRE-OUT offers full-range signal to active subwoofers, amplifiers, or active speakers.
Premium Components for Superior Fidelity: Pluggable NE5532 op-amps allow for effortless upgrades, while PFFB technology eliminates load dependency, enhancing performance and sound quality. From NJW1194 chip, SAGAMI inductors, 2oz copper PCB to GaN 48V/5A power adapter, every element is chosen for sonic purity.
Engineered for Everyday Convenience: With a 12V trigger, infrared remote, one-touch mute and Bluetooth reset, D1 simplifies your daily audio setup. Fine-tune your sound with ±10dB tone control, while internal RGB lighting adds a refined, modern glow. Enjoy seamless operation from start to finish.

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