aptX-HD

€199

Condition:

Brand new

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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Kanturk, Cork

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1 day ago

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Comments & Offers

about a day

d0min0s

Thanks very much for the suggestion and for taking the time to explain it. 😊 I really appreciate it. I’ll have a proper look at the VU3PRO as well. It does look like a more suitable solution for what I’m trying to achieve.
Thanks again, and all the best! 👍🎶

about a day

Seller Tomi4you

@d0min0s: The D1 amplifier is an amplifier with a VU metering function (more like a cool gadget) so I highly recommend Douk Audio VU3PRO Amplifier/Speaker Selector VU Meter 2-IN-2-OUT from https://doukaudio.com/
is now -10% for new order😉👍

about a day

d0min0s

Thanks for the suggestion! 😊 I actually looked at the VU3Pro as well.
My main concern is keeping my vintage NAD Monitor Series system completely untouched sonically. I’m not looking for another amplifier — I already have the NAD 1300 preamp and two NAD 216 THX power amplifiers, and I’m very happy with the sound.
I mainly want something with nice-looking VU meters that I can feed from the Tape Out, completely outside the main signal path.
I’ll have a closer look at the VU3Pro you suggested. I appreciate you pointing it out — it’s always good to talk to someone who understands the audio side of things. 👍
I may still consider the D1 because I really like its display, but I’ll think about which solution fits my system best. Thanks again!

about a day

Seller Tomi4you

@d0min0s: I think you are looking for this device more https://doukaudio.com/products/douk-audio-vu3pro-amplifier-speaker-selector-vu-meter-2-in-2-out-switcher-box?_pos=4&_sid=d51dec1de&_ss=r&variant=4740639657188

about a day

d0min0s

Hi, from your answer I get the impression that you’re an audio enthusiast too, so I’m sure you’ll understand my concern. 😊
I have a vintage NAD Monitor Series system — NAD 1300 preamp with two NAD 216 THX power amplifiers — and I absolutely don’t want to compromise or colour the sound of that system.
I’m interested in the Ampapa D1 mainly because of the digital VU meters. My intention is to use it only as a visual VU display, taking a signal from the Tape Out of the NAD 1300, completely outside the main audio path. The 216 THX amplifiers and the speakers would remain connected exactly as they are.
I’m a bit obsessive about keeping the original sound of the NAD Monitor Series intact. 😂
The D1 looks really nice and I think it would look fantastic with my NAD setup, but I want to make absolutely sure I’m not going to introduce anything into the main signal path that could affect the sound.
If everything is as described, I’d be very interested in making an offer.

about a day

Seller Tomi4you

@d0min0s: Yes. The Ampapa D1 can be powered on with nothing connected to its speaker outputs, and you can feed it an RCA signal and use the digital VU meters.
The D1's RCA input, display/VU-meter circuitry, and power amplifier output stage are separate functions. The manufacturer documentation does not specify that speakers or a dummy load must be connected for normal operation. The VU meters monitor the input/audio signal, so they can operate without speakers. �
Manuals+ +1
For your intended setup
You can do:
RCA source → Ampapa D1 → no speakers connected
Then:
Power the D1 normally.
Select RCA input.
Play music.
The digital VU meters should respond to the left/right input signal.
You can leave both speaker terminals completely empty.
The manual specifically states that in dual-VU mode the meters display the left and right channel audio levels. �
Manuals+
One important point
The D1 uses a TPA3255 Class-D power stage, and its rated speaker output is designed for a connected 4–8 Ω load. �
Manuals+ +1
So, while normal operation with no speakers connected appears to be fine, I would avoid:
turning the volume to maximum with no load,
repeatedly connecting/disconnecting speakers while powered,
experimenting with the speaker terminals,
shorting the + and – speaker outputs.
If your goal is essentially to use the D1 as a VU-meter display for an RCA source, that's a reasonable way to use it.
If you want, I can also explain whether the D1's VU meters respond to the RCA input before or after the volume control, which is useful if you're using it purely as a visual VU meter.

about a day

d0min0s

Can the Ampapa D1 be powered on and used with the RCA input and digital VU meters only, without speakers connected to the speaker outputs?

1 day

mcgrannity

Ah that's grand thanks, bit unsure about the price when comparing online, ill keep an eye on the ad

1 day

Seller Tomi4you

@mcgrannity: This is my hobby, audio systems and speakers🎶🔊🎚️, I can't resist buying new things and I buy new ones and sell them, and I've been doing this for many years, thanks for your interest.👍😉

1 day

mcgrannity

May I ask what is your reason for selling?

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

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