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Small silver metal bass EQ pedal with five slider controls

rowin

Rowin LEF-317B 5-band bass EQ guitar pedal

SKU CH-0BBD-3XNFG

A 5-band bass graphic EQ pedal with master level, ±18 dB per band, true bypass and a zinc-alloy mini chassis

  • Accessory categoryEffects Pedals - BASS EQUALIZER
  • Body styleMini Size
  • Body materialsMetal
  • Back & sideMetal
  • TopMetal
  • Neck materialsMetal
  • 5-band graphic EQ with ±18 dB per band for precise tone shaping
  • Frequency centres at 62.5 Hz, 125 Hz, 500 Hz, 1 kHz, 4 kHz cover the bass range
  • True bypass switching keeps the signal transparent when the pedal is off
  • Zinc alloy metal shell in a 9.5 × 3.8 × 5.2 cm mini enclosure for rugged portability
  • Runs on a standard 9 V DC centre-negative supply drawing 26 mA

Bass EQ pedal overview

The Rowin LEF-317B is a 5-band graphic equaliser built for bass guitar. It provides ±18 dB gain range per band with a master level control. The true bypass design keeps the signal transparent when the pedal is off. Its zinc-alloy mini enclosure measures 9.5 by 3.8 by 5.2 centimetres and weighs 248 grams.

Power and connection check

Confirm you have a 9 V DC centre-negative adapter capable of at least 26 mA; the supply is not included. The pedal uses 1/4-inch monaural jacks with 1 M ohm input and 100 k ohm output impedances. Ensure your pedalboard has space for the 9.5 cm length and that patch cables can reach the side-mounted jacks.

Build integration

The compact metal chassis frees up pedalboard real estate for other effects. True bypass prevents tone colouration when the unit is disengaged. Five frequency centres at 62.5 Hz, 125 Hz, 500 Hz, 1 kHz and 4 kHz cover the core bass spectrum. Builders needing more than five bands or a dedicated power supply in the box will need a different solution.

How it compares

Measured against everything we stock in Guitar Effects Pedals & Stompboxes, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 90% of the 151 comparable items (median $76.99).

Specifications

Product
Brand nameROWIN
Product lineGUITAR EFFECT PEDAL
Model nameROWIN LEF-317B BASS EQ
Part numberLEF317B
Product typeBASS EQUALIZER PEDAL
Accessory categoryEffects Pedals - BASS EQUALIZER
Audio & video
Audio inputs1m Ohms
Audio outputs100k Ohms
Power
Power output26 mA
Power supplyDC 9 V Negative Center
Size & build
Surface finishFull Metal Case
Measurements12/6/5 cm (with box)
Product weight0.22kg
In the box
Package contentsBASS EQUALIZER Pedal / User Manual / Box
More details
Body styleMini Size
Body materialsMetal
Back & sideMetal
TopMetal
Neck materialsMetal
Fretboard materialsPCB Board

Questions about this item

What comes in the box with the Rowin LEF-317B and what must I buy separately?

The package includes the bass EQ pedal, a user manual and the packing box. A 9 V DC centre-negative power adapter is not included and must be purchased separately.

Which frequency centres does this 5-band EQ cover and how much boost or cut is available per band?

The five sliders are centred at 62.5 Hz, 125 Hz, 500 Hz, 1 kHz and 4 kHz, each offering ±18 dB of gain adjustment plus a master level control.

How much current does the Rowin LEF-317B draw from a 9 V supply once it is on a pedalboard?

The pedal consumes 26 mA at 9 V DC, so a standard 9 V adapter rated for at least that current will power it reliably.

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