SinLoon PP400P Professional Phono Preamp - Dual Output (RCA & ¼-inch) with Ground Terminal & Power Switch, Low Noise Turntable Phonograph Amplifier for Home Audio & DJ Mixing (Black)
$44.29
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- 【Professional Dual Output Interfaces】 The SinLoon PP400P features both RCA stereo outputs and a ¼-inch TRS balanced output, offering maximum connection flexibility. Easily connect to traditional home amplifiers, powered speakers, or professional DJ mixers and recording equipment, meeting various needs from home listening to professional creation.
- 【Pure Sound Quality & Anti-Interference Design】 Equipped with a dedicated ground terminal (GND). Connecting your turntable to the preamp via the included ground wire effectively eliminates hum caused by electrical potential differences between devices, significantly reducing background noise interference and ensuring clean output sound quality, allowing you to focus on the nuanced performance of the music itself.
- 【Smart Control & Visual Indicators】 The front panel features a separate 【POWER】switch button and a clear 【ON】power indicator. You can completely control the circuit power without unplugging the adapter, making it both safe and convenient. The indicator provides immediate clarity on the device's status for a straightforward user experience.
- 【Wide Compatibility & Precise Matching】 Designed specifically for turntables with magnetic cartridges. Through the standard RCA input interfaces, it accurately receives the weak audio signal from the cartridge and restores/amplifies it via the internal precision RIAA equalization circuit, perfectly matching modern audio systems to awaken the soul of every vinyl record.
- 【Plug-and-Play & Robust Construction】 Includes a globally compatible 100-240V power adapter. The all-metal casing is not only sturdy but also effectively shields against external electromagnetic interference. Connect the cables and ground wire according to the instructions, turn on the power, and enjoy your music—providing a stable and reliable "turntable upgrade" solution.
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
- 【Professional Dual Output Interfaces】 The SinLoon PP400P features both RCA stereo outputs and a ¼-inch TRS balanced output, offering maximum connection flexibility. Easily connect to traditional home amplifiers, powered speakers, or professional DJ mixers and recording equipment, meeting various needs from home listening to professional creation.
- 【Pure Sound Quality & Anti-Interference Design】 Equipped with a dedicated ground terminal (GND). Connecting your turntable to the preamp via the included ground wire effectively eliminates hum caused by electrical potential differences between devices, significantly reducing background noise interference and ensuring clean output sound quality, allowing you to focus on the nuanced performance of the music itself.
- 【Smart Control & Visual Indicators】 The front panel features a separate 【POWER】switch button and a clear 【ON】power indicator. You can completely control the circuit power without unplugging the adapter, making it both safe and convenient. The indicator provides immediate clarity on the device's status for a straightforward user experience.
- 【Wide Compatibility & Precise Matching】 Designed specifically for turntables with magnetic cartridges. Through the standard RCA input interfaces, it accurately receives the weak audio signal from the cartridge and restores/amplifies it via the internal precision RIAA equalization circuit, perfectly matching modern audio systems to awaken the soul of every vinyl record.
- 【Plug-and-Play & Robust Construction】 Includes a globally compatible 100-240V power adapter. The all-metal casing is not only sturdy but also effectively shields against external electromagnetic interference. Connect the cables and ground wire according to the instructions, turn on the power, and enjoy your music—providing a stable and reliable "turntable upgrade" solution.
The charm of vinyl lies in its warm analog quality, and faithfully transmitting this quality to your audio system is the mission of the SinLoon PP400P. It's not just a phono preamp; it's a fully-featured audio hub. Whether connecting to a home Hi-Fi system or interfacing with professional DJ gear or recording equipment, the PP400P is up to the task.
>> Detailed Interface Guide & Connection Instructions
1. Input & Output Connections
RCA Input (L & R): Use RCA audio cables (typically included with your turntable) to connect the Left and Right outputs from your turntable to the corresponding L (Left) and R (Right) RCA input jacks on this unit.
RCA Output (L & R): Use another pair of RCA audio cables to connect the L/R outputs from this unit to the AUX, CD, or TAPE input ports on your amplifier, powered speakers, or home theater system.
¼-inch TRS Output: This is a professional-grade stereo output jack.
If your downstream device (e.g., mixer, audio interface) has a stereo ¼-inch input, use a cable with a ¼-inch TRS plug on one end.
If the downstream device has two mono inputs, use a "Y-cable" with a ¼-inch TRS plug on one end and two TS plugs on the other.
Important Note: To ensure sound quality and device safety, do NOT use both the RCA and ¼-inch TRS output interfaces simultaneously.
2. Power & Grounding
【POWER】Switch & 【ON】Indicator: After connecting the power adapter, the unit receives power, and the 【ON】 indicator will light up signifying standby mode. Press the 【POWER】 button to turn the device on for operation; press it again to turn it off. This design avoids the need for frequent plugging and unplugging of the power adapter.
GND Terminal: This is a key step for improving sound quality! Use the ground wire (usually a thin bare wire or a wire with a spade connector) that came with your turntable. Connect one end securely to the ground terminal on your turntable and tighten the other end to the 【GND】 terminal on this unit. This action can significantly reduce AC hum, resulting in a quieter background.
>> Technical Specifications
Model: SinLoon PP400P
Input Interfaces: RCA L/R (for Magnetic Cartridges)
Output Interfaces: RCA L/R, ¼-inch TRS Stereo
Controls: Dedicated POWER Switch
Indicators: ON Power Indicator
Special Feature: GND Ground Terminal
Power Supply: DC 12V (100-240V Voltage Power Adapter Included)
Housing Material: Metal
Color: Black >> Package List
SinLoon PP400P Main Unit x 1 12V DC Power Adapter x 1
User Manual x 1
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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