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Product description


Ampapa D1 & A1
Perfect Pairing for Pure Audio Bliss
Amplify All Passion–After 3 years of dedicated craftsmanship, Ampapa proudly unveils its second masterpiece: the D1 Digital Amplifier. Seamlessly blending the vintage warmth of the A1 with the powerful performance of the D1, it elevates your listening experience to new heights.
Input: Bluetooth 5.2, RCA and Balanaced TRSOutput: Banana speaker jacks and PRE-OUTSNR≥ 114dB; THD:0.002%; Frequency response: 20Hz-20KHz (±0.4dB)HPF range: 30-200Hz; Tone control range: ±10db 
Digital VU Meters, Stunning Feedback
Cycle through 7 vivid VU and spectrum modes with AGC on a large screen for dynamic visualization.
Unleash Full Potential for Your Speakers
Up to 300W×2 peak power output delivers rich, dynamic sound that drives your speakers with clarity.
Guard Your Sound, Cut the Rumble
Removes distortion-causing low frequencies, ensuring a pure soundstage.
Effortless Sound Upgrades
Removable glass window, easy to swap the original NE5532 to 2604/2134/MUSES02 etc. tool-free.
1 Large and Diverse Display
2 TPA3255 Chip
3 Top SPECS & Multi-Inputs
4 High-Pass Filter
5 Swappable Op-amps
Post-Filter Feedback Technology Integrated
Cuts distortion, improves linearity and frequency response, delivering superior sound.
Expand Your Audio Setup
Connect a powered subwoofer, speaker or another amplifier for flexible 2.1 or multi-channel systems.
Seamless High-Quality Streaming
QCC304X delivers APTX-HD lossless audio over 15m+ range, one-touch reset for instant reconnection.
Tailor Your Sound Experience
Easily fine-tune bass and treble with a ±10dB range, customizing your audio to suit every need.
Automated Power Control
Easily synchronize power on/off across devices for smooth, effortless use.
1 PFFB Tech
2 PRE-OUT
3 Bluetooth 5.2
4 Tone Control
5 12V Trigger IN
Complete Control at Your Fingertips
Switch inputs and VU meter modes, adjust volume, tone and brightness, mute—all from your seat.
Functional Glass Aesthetics
Enjoy visual access to internal and lets you turn on/off or customize RGB light of 7 colors.

1 Remote Control
2 Top Glass Window
3 Premium Components
4 Desktop 2.0
5 Home Theater 2.1
Ampapa & Douk Audio & Nobsound Audio Families
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Customer Reviews
4.3 out of 5 stars 11
4.5 out of 5 stars 317
4.4 out of 5 stars 396
4.6 out of 5 stars 9
4.6 out of 5 stars 87
4.7 out of 5 stars 23
4.3 out of 5 stars 450
Price
$194.99$194.99
$128.99$128.99
$109.99$109.99
$119.99$119.99
$108.99$108.99
$109.99$109.99
$127.99$127.99
Type:
2-CH Bluetooth Digital Amp
Phono Preamp & Headphone Amp
2-CH Bluetooth Tube Amp
2-CH Bluetooth Digital Amp
2-CH Digital Amp
2-CH Digital Phono Amp
Amplifier / Speaker Selector
Audio input:
RCA / TRS / Bluetooth 5.2
Phono MM / Stereo RCA
Bluetooth/USB/COAX/OPT/RCA
Bluetooth / Stereo RCA
Stereo RCA
RCA/MM phono
Banana speaker jacks
Audio output:
Banana speaker jacks / Pre-Out
RCA / 3.5mm Headphone Jack
Banana speaker jacks / Pre-Out
Speaker / AUX / Headphone
Banana speaker jacks / Pre-Out
Banana speaker jacks / Pre-Out
Banana speaker jacks
Max. output power:
300W*2 (4Ω)
headphone: 125mW (32Ω)
100W*2 (4Ω)
300W*2 (4Ω) / 500mW(32Ω)
300W*2 (4Ω)
300W*2 (4Ω)
Can handle Max. 350W
THD+N:
0.002%
≤0.1%
0.07%
0.003%
0.002%
0.005%@1kHz
–
SNR:
≥114dB
≥106dB (RCA); ≥80dB(Phono)
≥98dB
≥113dB
114dB
≥107dB
–
Frequency response:
20Hz-20KHz (±0.4dB)
20Hz-20KHz (±0.5dB) (RCA)
20Hz-20kHz(±1dB)
20Hz-20KHz (±1dB)
20Hz-20KHz (±0.7dB)
20Hz-20KHz (±1dB)
–
HPF:
✔
✘
✘
✘
✔
✘
✘
Pre-Out:
✔
✘
✔
✔
✔
✔
✘
12V trigger:
✔
✘
✘
✘
✘
✘
✘
TRS balanced input:
✔
✘
✘
✘
✘
✘
✘
Tone control:
✔
✔
✔
✔
✘
✔
✘
Product Dimensions : 6.1 x 4.88 x 1.65 inches; 1.64 Pounds
Item model number : D1
Date First Available : September 10, 2025
Manufacturer : Ampapa
ASIN : B0FQJJYHLZ
Best Sellers Rank: #26,859 in Electronics (See Top 100 in Electronics) #129 in Audio Component Amplifiers
Customer Reviews: 4.3 4.3 out of 5 stars 11 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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.

