The correct connection depends on two things: the signal your turntable provides (PHONO, LINE, or Bluetooth) and the input your speakers or amplifier accepts. Set a turntable’s switch to PHONO only for a receiver or preamp with a PHONO input. Set it to LINE for powered speakers or any AUX/line input. If neither device contains a phono stage, add an external phono preamp. Passive speakers also require a power amplifier or receiver; a phono preamp alone cannot drive them.
Before buying anything, write down the labels on both pieces of equipment. That quick inventory usually reveals whether you need only an RCA cable, an external phono preamp, an amplifier, or a Bluetooth transmitter.
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Identify the output and input before connecting anything
Look at the turntable’s rear panel and manual first. You may find a PHONO/LINE switch, a built-in phono preamp, a Bluetooth transmitter, or only an unamplified PHONO output. Then inspect the receiving equipment for its matching input.
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|---|---|---|
| PHONO | Receiver or preamp labeled PHONO | RCA cable; connect the ground wire when a terminal is provided |
| PHONO | AUX, LINE, or powered-speaker input | External phono preamp between the turntable and the line input |
| LINE | Powered speaker, AUX, LINE, or other line-level input | RCA cable, or a suitable RCA-to-3.5 mm cable or adapter |
| Bluetooth transmission | Bluetooth speaker or headphones set to receive | Pair the devices according to both manuals; set the turntable to the required output mode |
A PHONO signal is intended for a phono stage. A LINE signal has already passed through that stage and belongs on an AUX, LINE, CD, or similar input. Audio-Technica’s AT-LP70XBT manual and Sony’s turntable connection instructions both document this matching rule.
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- Converts phono signals: a turntable preamp that converts phono signals to line level signals. This state-of-the-art circuitry phono preamp can accommodate magnetic pickups with an input sensitivity of 3mV at 50K ohms
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- Connects to turntables: connect any Turntable to modern sound equipment without specialized phono input for amplifying music. For the receiver, This can be connected to speakers, computers, laptops and more
- Simple plug & play: This mini preamp has stereo RCA inputs and stereo RCA outputs. Connect the Turntable to the RCA inputs and ground. Then, connect the amplifier Receiver to the RCA outputs
Check whether the speakers are powered or passive
Powered (active) speakers
Powered speakers contain their own amplifier and can play a compatible line-level signal directly. They normally have an RCA, 3.5 mm, optical, or wireless input and a power cord. A turntable with a built-in preamp can therefore feed them without a separate receiver. Optical inputs do not accept a turntable’s analog RCA signal directly, so use the analog input identified by the speaker manual or an appropriate converter specified for that system.
Passive speakers
Passive speakers have speaker terminals but no internal power amplifier. They must connect to a stereo receiver or integrated amplifier. The receiver can provide both the phono stage (if it has a PHONO input) and the power needed to drive the speakers. A standalone phono preamp changes PHONO to LINE; it does not supply speaker power. Fluance illustrates these powered- and passive-speaker routes in its Turntable Connection Guide.
Connect a turntable with a built-in preamp to powered speakers
This is the shortest wired path when the turntable has a PHONO/LINE switch and the speakers accept RCA or another line input.
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- Check the turntable manual or rear panel for a built-in phono preamp and a PHONO/LINE switch.
- Move the switch to LINE. This sends a preamplified signal suitable for a powered speaker’s AUX or line input.
- Turn off the speakers and turntable, then connect the turntable’s red and white RCA plugs to the speaker’s corresponding right and left inputs.
- Power on the turntable and speakers, select the speaker input you used, and start playback at low volume.
Audio-Technica says its AT-LP70XBT can connect directly to active speakers when set to LINE. Fluance gives the same LINE-level instruction for its built-in-preamp turntables in its powered-speaker guidance. Use the supplied RCA cable when it reaches comfortably and the plugs match.
When the powered speaker has a 3.5 mm AUX input
Use an RCA-to-3.5 mm stereo cable or a properly wired adapter: RCA plugs go to the turntable’s left and right outputs, and the 3.5 mm plug goes to AUX. Confirm the speaker’s manual supports an analog stereo input; not every socket that looks similar has the same function. Fluance specifically notes that a conversion cable or adapter may be needed and directs users to check the speaker manufacturer’s instructions.
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Connect a turntable to a receiver with a PHONO input
A receiver with a genuine PHONO input already contains the required phono stage. This is the conventional route for a turntable and passive speakers, and it also works if the receiver’s amplifier powers a pair of passive speakers.
- Set the turntable to PHONO, or disable its built-in phono equalizer as the turntable manual directs.
- Connect the turntable’s left and right RCA leads to the receiver’s PHONO left and right inputs.
- Attach the turntable’s ground wire to the receiver’s GND or ground terminal if one is provided. Loosen the terminal, place the fork or bare wire under it, and tighten it securely.
- Connect passive speakers to the receiver’s speaker terminals, observing left/right channels and polarity.
- Select PHONO on the receiver, start playback, and raise the volume gradually.
Do not send a LINE output into PHONO. A preamplified signal on that input can be excessively loud or distorted. Sony’s instructions specify PHONO output for a receiver PHONO input and LINE output when that input is unavailable.
Use an external phono preamp with a turntable that has no built-in preamp
Many turntables provide only PHONO output. If your powered speaker or receiver has no PHONO input, place an external phono preamp between the turntable and a line-level input. Fluance documents its Reference RT82, RT83, RT84, and RT85 models as examples that lack an internal preamp and therefore need an external unit unless they are connected to a receiver’s PHONO input. That requirement is specific to those models; check your own turntable’s specifications.
- Connect the turntable’s RCA left and right outputs to the phono preamp’s input.
- Connect the turntable’s ground wire to the preamp’s ground terminal. If the preamp has no terminal, follow its manual’s grounding method.
- Connect the preamp’s RCA output to the powered speaker’s RCA/AUX input, or to any receiver input labeled AUX, LINE, CD, or similar. Do not use the receiver’s PHONO input for this already-preamplified output.
- Set the receiver or speaker to the input you used, power on the equipment, and test at low volume.
The signal path is therefore turntable (PHONO) → phono preamp (LINE) → powered speaker or line input. If you later use a receiver with PHONO, remove the external preamp from the chain and connect the turntable directly to PHONO instead.
Connect a turntable to passive speakers
Passive speakers need an amplifier or receiver in every setup. Choose one of these two paths:
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- RCA-type input R/L
- RCA-type output R/L
- Ground terminal
- Power Adapter Included
Receiver with a PHONO input
- Set the turntable to PHONO and connect its RCA leads to the receiver’s PHONO input.
- Connect the ground wire to the receiver’s ground terminal.
- Wire the passive speakers to the receiver’s speaker outputs, matching channel and polarity.
- Select PHONO and adjust the receiver’s volume.
Receiver without a PHONO input
- Set a turntable with a built-in preamp to LINE. If it has no preamp, connect it to an external phono preamp first.
- Run the resulting LINE output to an AUX, LINE, CD, or equivalent receiver input.
- Connect the passive speakers to the receiver’s speaker terminals.
- Select the line input and increase volume slowly.
In this arrangement the preamp handles the phono signal, while the receiver’s power-amplifier section drives the speakers. The two functions are separate, so buying a phono preamp does not eliminate the need for an amplifier.
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Connect a turntable to a Bluetooth speaker
Bluetooth is possible only when there is a transmitter on the turntable side and a receiver in the speaker. Some turntables transmit Bluetooth themselves; others need an external Bluetooth transmitter connected to a suitable line-level output. Bluetooth does not replace a missing phono stage.
Turntable with built-in Bluetooth transmission
- Confirm that the speaker is a Bluetooth receiver and put it into pairing mode.
- Set the turntable to the output mode specified by its manual. The Audio-Technica AT-LP70XBT manual specifies LINE for a Bluetooth connection.
- Start pairing from the turntable, then select it on the speaker if the speaker presents a device list.
- Play a record and set volume on the speaker and turntable as directed by their manuals.
Pairing labels, button sequences, and automatic-reconnect behavior vary by model, so use both manuals if the devices do not discover one another.
Turntable without Bluetooth
- Determine whether the turntable has LINE output. If it has only PHONO output, connect it to an external phono preamp first.
- Connect the preamp’s LINE output, or the turntable’s built-in-preamp LINE output, to the Bluetooth transmitter’s analog input.
- Put the transmitter and speaker into pairing mode and complete the pairing procedure.
- Keep the transmitter powered and selected as the source while listening.
Fluance explains this transmitter route in its Bluetooth-speaker support article. It also cautions that Bluetooth digitizes and compresses the signal, which may reduce audio quality. That is a qualitative warning, not a measured ranking of particular codecs or devices; the audible result depends on the turntable, transmitter, speaker, codec, and listening conditions.
Grounding, hum, and low-volume problems
Grounding and signal-level mismatches account for most connection complaints. Fluance’s RT82–RT85 setup instructions say to connect the ground lead between the turntable and a preamp or amplifier/receiver and warn that omitting it can cause noise or hum. With some powered speakers, a ground wire may not be required; Fluance says it can nevertheless be tried if hum remains.
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- Low Noise Operation: The phono preamp offers outstanding performance with it’s Low-Noise Audio Operational Amplifiers.The output is 2V max (P-P) at 10K Ohms. It’s better to position the preamp close to the source to reduce unwanted noise and interferenceMake your vinyl records deliver sound exactly as it's read from your turntable's needle.
- RCA Input & RCA Output: This mini preamp has stereo RCA inputs and stereo RCA outputs. Connect the turntable to the RCA inputs and ground Then, connect the amplifier receiver to the RCA outputs(DC 12V Adapter is included).
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| Symptom | Likely cause | Fix |
|---|---|---|
| Very quiet audio | PHONO output is connected to AUX/LINE without a phono preamp | Add an external phono preamp, or use a receiver’s PHONO input |
| Loud, harsh, or distorted audio | LINE output is connected to a PHONO input | Move the cable to AUX/LINE, or switch the turntable to PHONO only when using PHONO input |
| Persistent hum | Missing or loose ground connection, poorly seated plugs, or a grounding interaction | Secure the ground wire where applicable, reseat RCA plugs, separate power cables, and consult the equipment manuals |
| One channel is missing | Loose or crossed RCA plug, wrong input, or balance control setting | Reconnect red to right and white to left, test another cable/input, and check balance |
| No sound over Bluetooth | Devices are not paired, speaker is not in receive mode, or transmitter is fed PHONO-level output | Pair again, select the correct speaker source, and put a phono preamp before the transmitter when required |
Also verify that the receiver or speaker is set to the input carrying the turntable signal, that the stylus and record are operating normally, and that the volume is initially low. Sony identifies incorrect EQ and PHONO/LINE settings as a cause of low audio.
A safe troubleshooting order
- Stop playback and turn the volume down before changing cables or switches.
- Confirm the source selector on the receiver or speaker; a correct cable on the wrong input still produces silence.
- Trace the signal from left to right: turntable output, phono stage if needed, line input, amplifier, then speakers.
- Check that every RCA plug is fully seated and that red is right and white is left.
- Test one change at a time so you know which adjustment fixed the problem.
If hum appears only when another component is connected, follow the grounding instructions for that exact model rather than adding random adapters. Grounding requirements differ between turntables, preamps, receivers, and powered speakers.
Choose the simplest setup that matches your equipment
| Your equipment | Recommended signal path | Extra hardware |
|---|---|---|
| Turntable with built-in preamp + powered speakers | Turntable set to LINE → speaker RCA/AUX | None beyond a suitable cable |
| Turntable without preamp + powered speakers | Turntable PHONO → external phono preamp → speaker LINE/AUX | External phono preamp |
| Any turntable + receiver with PHONO + passive speakers | Turntable PHONO → receiver PHONO → passive speakers | Speaker wire; ground connection where provided |
| Turntable with LINE output + receiver without PHONO + passive speakers | Turntable LINE → receiver AUX/LINE → passive speakers | None beyond cables |
| Turntable without Bluetooth + Bluetooth speaker | Turntable LINE (or preamp output) → Bluetooth transmitter → speaker | Bluetooth transmitter; phono preamp if the turntable has only PHONO output |
Prioritize a wired connection when your equipment already offers matching RCA or line inputs and you want the fewest conversion stages. Choose Bluetooth when wireless placement matters and both ends support transmission and reception. The available sources do not establish a universal, measured sound-quality winner between wired and Bluetooth, so the practical choice is compatibility versus convenience.
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Buy only the missing stage in your signal path. A built-in-preamp turntable and powered speakers generally need no phono preamp. A PHONO-only turntable feeding powered speakers needs a phono preamp, but not a separate power amplifier. Passive speakers always need a receiver or integrated amplifier. A Bluetooth transmitter is needed only when the turntable cannot transmit and wireless listening is required.
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RCA cables and RCA-to-3.5 mm cables are connection accessories, not signal converters. They cannot turn PHONO into LINE. Conversely, a phono preamp cannot replace speaker wire or an amplifier for passive speakers. This distinction prevents the most common unnecessary purchases.
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- UNCOMPROMISED PHONO AMPLIFICATION AND EQUALIZATION - Precisely converts the turntable phono signal to line level, featuring an ultra high-accuracy frequency response to faithfully reproduce the original recording to the RIAA standard
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- VIVID STEREO SOUNDSTAGE - Utilizing individual left and right channel OP amps provide optimal channel separation and virtually no crosstalk during signal reproduction and amplification stages
- LOW FREQUENCY RUMBLE FILTERING - This selectable high pass filter rolls off the low end frequencies below 20Hz. This slow gentle roll off is helpful to reduce subsonic resonant feedback and noise when listening at loud volumes
- PROTECTED FROM ANY ELECTRONIC INTERFERENCE - Internal metal shielding enclosure to block electro-magnetic interference and electronic noise
Final pre-play checklist
- Confirm whether the turntable output is PHONO, LINE, or Bluetooth.
- Confirm whether the speakers are powered or passive.
- Match PHONO to PHONO, and LINE to AUX/LINE.
- Insert an external phono preamp whenever a PHONO-only turntable feeds a line input.
- Use an amplifier or receiver for passive speakers.
- Connect the ground wire when the turntable and receiver or preamp provide terminals.
- For Bluetooth, verify a transmitter on the turntable side and a receiver in the speaker.
- Check left/right RCA connections, source selection, pairing, and volume before troubleshooting further.
Further manufacturer instructions
- Audio-Technica AT-LP70XBT Automatic Wireless Turntable User Manual
- Fluance: How do I connect a turntable to a powered speaker?
- Fluance RT82/RT83/RT84/RT85 first-time setup and FAQs
- Fluance: How do I use a turntable with Bluetooth speakers?
- Sony: How to connect a turntable to a stereo system (last modified December 20, 2020)
- Fluance Turntable Connection Guide
Frequently Asked Questions
Do I need a phono preamp to connect my turntable to powered speakers?
Only if the turntable supplies PHONO output and the powered speakers have only AUX, RCA, or another line-level input. A turntable with a built-in preamp can be set to LINE and connected directly. A PHONO-only turntable needs an external phono preamp before the speaker’s line input.
Can I plug a turntable directly into a Bluetooth speaker?
Yes, when the turntable has Bluetooth transmission and the speaker has Bluetooth reception. If the turntable has no Bluetooth, add a transmitter connected to a LINE-level output. If it has only PHONO output, add a phono preamp before the transmitter. Bluetooth pairing does not perform phono equalization.
What happens if I connect LINE to PHONO?
The signal can be excessively loud, harsh, or distorted because the receiver applies phono equalization to an already-preamplified signal. Move the cable to AUX or LINE, or change the turntable to PHONO only when the receiver’s PHONO input is the intended destination.
Why is my turntable volume very low?
The usual cause is a PHONO output connected to AUX or LINE without a phono stage. Add an external phono preamp or use a receiver’s PHONO input. Also check the selected source, RCA seating, and the turntable’s PHONO/LINE or EQ setting.
Do passive speakers need both a phono preamp and an amplifier?
They need a phono stage and speaker amplification, but one receiver can provide both when it has a PHONO input. If it does not, use a built-in or external phono preamp into a line input, then let the receiver or integrated amplifier drive the passive speakers.
Should I connect the turntable ground wire to powered speakers?
Connect it to the phono preamp or receiver ground terminal when one is provided. Fluance notes that some powered-speaker setups do not require a ground wire, but trying the manufacturer’s recommended grounding arrangement can help if hum persists. Follow the manuals for the exact equipment.
Is wired RCA better than Bluetooth for a turntable?
Wired RCA avoids the Bluetooth transmission step and is the simplest choice when the inputs already match. Bluetooth is useful for wireless placement, but it digitizes and compresses the signal. The available manufacturer guidance does not establish a universal measured winner; compatibility and convenience should decide.
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Match the signal stages: PHONO to PHONO, or LINE to AUX/LINE. Add an external phono preamp when a PHONO-only turntable feeds a line input, and add a receiver or amplifier whenever the speakers are passive. Bluetooth works only with a transmitter and receiver, and it does not replace the phono stage. Once the output mode, input, grounding, and left/right connections all agree, start playback at low volume and make only one troubleshooting change at a time.
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