Ampapa D1 all in one DAC Amplifier

Ampapa D1 HIFI TPA3255 Amplifier with Digital VU Meter

 

The Ampapa D1 Class D DAC Amplifier is a next-generation HiFi amplifier designed for modern audiophiles who demand premium sound quality, advanced connectivity, and elegant visual aesthetics. Developed through the collaboration between Ampapa and Douk Audio, the D1 combines powerful Class D amplification, digital DAC functionality, balanced audio input, Bluetooth 5.2, and customizable sound tuning into a compact and highly versatile system.

Designed for desktop HiFi setups, home stereo systems, and advanced 2.1 channel audio configurations, the Ampapa D1 delivers exceptional clarity, powerful output, and outstanding sonic precision.

 

Features

• Ampapa × 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.

 

Parameters

• Brand: Ampapa
• Model: 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)
• Dimensions (W*D*H): 155*124*42mm / 6.10*4.88*1.65in
• Package dimensions (W*D*H): 268*192*95mm / 10.55*7.56*3.74in
• Net weight: 742g / 1.64lb
• Package weight: 1.73kg / 3.81lb

 

Frequently Asked Questions (FAQs)

What is the Ampapa D1 used for?

It is used for HiFi stereo amplification with DAC functionality and wireless audio streaming.

Does the D1 support Bluetooth?

Yes, it supports Bluetooth 5.2 with aptX and aptX-HD codecs.

Can I connect a subwoofer?

Yes, the PRE-OUT supports active subwoofer connection for 2.1 audio systems.

What speakers are compatible with the D1?

It supports passive speakers with 4–8Ω impedance.

Does it have balanced input?

Yes, it includes a TRS balanced input for cleaner audio transmission.

What is the maximum output power?

The amplifier delivers up to 300W × 2 at 4Ω.

Is the OLED display functional?

Yes, it provides real-time playback and VU meter visualization.

Can the sound be customized?

Yes, it offers adjustable bass and treble controls up to ±10dB.

Is it suitable for desktop audio systems?

Yes, its compact size makes it perfect for desktop HiFi setups.

What makes the D1 different from standard amplifiers?

Its combination of DAC functionality, OLED VU display, Bluetooth 5.2, balanced input, and premium internal components makes it a true audiophile-grade amplifier.