Will the 2 "out" lines work for "TV headphones" and regular speakers (with no amplification in between)?

You do need an amplifier, unless your speakers and headphones are amplified already.

Does this device allow one to connect, say, 2 different CD players to the amp and switch indifferently between the two, one signal at a time?

Yes. If you read the other questions, the connection is explained. Any 4 RCA sources to one Amp or reversed such as single CD player to 4 different amps.

What is the maximum recommended cable length for the output, since it is passive?

That’s hard to tell. Depends on your cable and your tolerance of signal degradation.

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S1 4 Way RCA Audio Switch Stereo Switcher Selector Box

S1 4 Way RCA Audio Switch Stereo Switcher Selector Box

Product ID: 210394514

Details

Brand
SOLUPEAK
Cable Type
RCA
Color
4-WAY RCA IN 1
Compatible Devices
Compact Disc
Connector Type
RCA

🔄4 inputs, 1 output seamless switch

🔊Lossless audio signal transmission

🔋Passive design, no power needed

€ 95.73

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Description

🎧 Elevate your audio game—switch smarter, listen better!

COMPACT YET MIGHTY - Space-saving 110x130x50mm footprint fits perfectly in any modern audio setup or multi-room system.
PLUG PLAY POWER FREE - Completely passive design means no external power—just connect and enjoy instant switching.
AUDIOPHILE GRADE DURABILITY - Solid aluminum shell and CNC-machined knob deliver premium build quality and sleek professional style.
PURE SOUND ZERO SIGNAL LOSS - Upgraded gold-plated PCB and RCA connectors ensure pristine, lossless audio every time.
EFFORTLESS 4 IN 1 AUDIO CONTROL - Switch between four stereo sources with a smooth rotary knob—no more cable chaos.

The SOLUPEAK S1 4-Way RCA Audio Switcher is a premium passive stereo selector that lets you seamlessly toggle between four audio sources with zero signal loss. Featuring an upgraded gold-plated PCB, high-quality RCA connectors, and a durable aluminum chassis with a CNC-machined knob, it offers audiophile-level performance in a compact, power-free design ideal for multi-room or multi-device setups.

Specifications

ASIN	B085W1PPHL
Audio Output Mode	Stereo
Best Sellers Rank	#64 in Audio & Video Selector Boxes
Brand	SOLUPEAK
Cable Type	RCA
Color	4-WAY RCA Switch(4 IN 1 OUT)-Upgrade version
Compatible Devices	Compact Disc (CD) Player, DVD Player, Laptop
Connector Type Used on Cable	RCA
Customer Reviews	4.3 4.3 out of 5 stars (242)
Item Dimensions D x W x H	5.12"D x 4.33"W x 1.97"H
Item Weight	620 g
Manufacturer	Zhuogang
Mfr Part Number	S1
Model Number	S1
Number of Items	1
Number of Ports	4
UPC	659438712254

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 95.73

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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